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Finding the Fourth Proportional to 624,299.90, 861,536.16 and 337,820.00

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Solution

The fourth proportional to 624,299.90, 861,536.16 and 337,820.00 is: 466,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,299.90 : 861,536.16 = 337,820.00 : x
  2. Step 2: Convert to fraction form
    624,299.90/861,536.16 = 337,820.00/x
  3. Step 3: Cross multiply
    624,299.90x = 861,536.16 × 337,820.00
  4. Step 4: Simplify right side
    624,299.90x = 291,044,141,263.52
  5. Step 5: Solve for x
    x = 291,044,141,263.52/624,299.90
  6. Step 6: Final answer
    x = 466,192.84

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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.