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Finding the Fourth Proportional to 637,461.36, 956,193.12 and 216,771.12

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Solution

The fourth proportional to 637,461.36, 956,193.12 and 216,771.12 is: 325,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,461.36 : 956,193.12 = 216,771.12 : x
  2. Step 2: Convert to fraction form
    637,461.36/956,193.12 = 216,771.12/x
  3. Step 3: Cross multiply
    637,461.36x = 956,193.12 × 216,771.12
  4. Step 4: Simplify right side
    637,461.36x = 207,275,053,558.69
  5. Step 5: Solve for x
    x = 207,275,053,558.69/637,461.36
  6. Step 6: Final answer
    x = 325,157.05

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Half scale
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Double scale
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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.