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Finding the Fourth Proportional to 629,089.42, 868,179.72 and 473,762.60

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Solution

The fourth proportional to 629,089.42, 868,179.72 and 473,762.60 is: 653,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,089.42 : 868,179.72 = 473,762.60 : x
  2. Step 2: Convert to fraction form
    629,089.42/868,179.72 = 473,762.60/x
  3. Step 3: Cross multiply
    629,089.42x = 868,179.72 × 473,762.60
  4. Step 4: Simplify right side
    629,089.42x = 411,311,081,414.47
  5. Step 5: Solve for x
    x = 411,311,081,414.47/629,089.42
  6. Step 6: Final answer
    x = 653,819.74

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Double scale
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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.