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Finding the Fourth Proportional to 624,001.59, 934,165.31 and 386,580.87

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Solution

The fourth proportional to 624,001.59, 934,165.31 and 386,580.87 is: 578,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,001.59 : 934,165.31 = 386,580.87 : x
  2. Step 2: Convert to fraction form
    624,001.59/934,165.31 = 386,580.87/x
  3. Step 3: Cross multiply
    624,001.59x = 934,165.31 × 386,580.87
  4. Step 4: Simplify right side
    624,001.59x = 361,130,436,330.72
  5. Step 5: Solve for x
    x = 361,130,436,330.72/624,001.59
  6. Step 6: Final answer
    x = 578,733.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.