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Finding the Fourth Proportional to 637,033.16, 879,143.60 and 365,118.62

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Solution

The fourth proportional to 637,033.16, 879,143.60 and 365,118.62 is: 503,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,033.16 : 879,143.60 = 365,118.62 : x
  2. Step 2: Convert to fraction form
    637,033.16/879,143.60 = 365,118.62/x
  3. Step 3: Cross multiply
    637,033.16x = 879,143.60 × 365,118.62
  4. Step 4: Simplify right side
    637,033.16x = 320,991,696,458.50
  5. Step 5: Solve for x
    x = 320,991,696,458.50/637,033.16
  6. Step 6: Final answer
    x = 503,885.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.