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Finding the Fourth Proportional to 577,892.90, 865,672.95 and 400,600.10

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Solution

The fourth proportional to 577,892.90, 865,672.95 and 400,600.10 is: 600,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,892.90 : 865,672.95 = 400,600.10 : x
  2. Step 2: Convert to fraction form
    577,892.90/865,672.95 = 400,600.10/x
  3. Step 3: Cross multiply
    577,892.90x = 865,672.95 × 400,600.10
  4. Step 4: Simplify right side
    577,892.90x = 346,788,670,337.30
  5. Step 5: Solve for x
    x = 346,788,670,337.30/577,892.90
  6. Step 6: Final answer
    x = 600,091.59

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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.