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Finding the Fourth Proportional to 624,350.65, 861,603.90 and 337,870.72

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Solution

The fourth proportional to 624,350.65, 861,603.90 and 337,870.72 is: 466,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,350.65 : 861,603.90 = 337,870.72 : x
  2. Step 2: Convert to fraction form
    624,350.65/861,603.90 = 337,870.72/x
  3. Step 3: Cross multiply
    624,350.65x = 861,603.90 × 337,870.72
  4. Step 4: Simplify right side
    624,350.65x = 291,110,730,047.81
  5. Step 5: Solve for x
    x = 291,110,730,047.81/624,350.65
  6. Step 6: Final answer
    x = 466,261.60

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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.