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Finding the Fourth Proportional to 637,896.30, 956,844.45 and 283,602.30

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Solution

The fourth proportional to 637,896.30, 956,844.45 and 283,602.30 is: 425,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,896.30 : 956,844.45 = 283,602.30 : x
  2. Step 2: Convert to fraction form
    637,896.30/956,844.45 = 283,602.30/x
  3. Step 3: Cross multiply
    637,896.30x = 956,844.45 × 283,602.30
  4. Step 4: Simplify right side
    637,896.30x = 271,363,286,762.24
  5. Step 5: Solve for x
    x = 271,363,286,762.24/637,896.30
  6. Step 6: Final answer
    x = 425,403.45

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Half scale
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Double scale
Find fourth proportional to 637,897.30, 956,845.95 and 283,603.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.