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Finding the Fourth Proportional to 629,004.32, 868,062.39 and 473,677.55

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Solution

The fourth proportional to 629,004.32, 868,062.39 and 473,677.55 is: 653,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,004.32 : 868,062.39 = 473,677.55 : x
  2. Step 2: Convert to fraction form
    629,004.32/868,062.39 = 473,677.55/x
  3. Step 3: Cross multiply
    629,004.32x = 868,062.39 × 473,677.55
  4. Step 4: Simplify right side
    629,004.32x = 411,181,661,802.03
  5. Step 5: Solve for x
    x = 411,181,661,802.03/629,004.32
  6. Step 6: Final answer
    x = 653,702.45

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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.