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Finding the Fourth Proportional to 624,264.60, 861,485.04 and 337,784.88

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Solution

The fourth proportional to 624,264.60, 861,485.04 and 337,784.88 is: 466,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,264.60 : 861,485.04 = 337,784.88 : x
  2. Step 2: Convert to fraction form
    624,264.60/861,485.04 = 337,784.88/x
  3. Step 3: Cross multiply
    624,264.60x = 861,485.04 × 337,784.88
  4. Step 4: Simplify right side
    624,264.60x = 290,996,620,858.20
  5. Step 5: Solve for x
    x = 290,996,620,858.20/624,264.60
  6. Step 6: Final answer
    x = 466,143.08

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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.