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Finding the Fourth Proportional to 610,137.88, 841,491.12 and 429,447.96

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Solution

The fourth proportional to 610,137.88, 841,491.12 and 429,447.96 is: 592,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,137.88 : 841,491.12 = 429,447.96 : x
  2. Step 2: Convert to fraction form
    610,137.88/841,491.12 = 429,447.96/x
  3. Step 3: Cross multiply
    610,137.88x = 841,491.12 × 429,447.96
  4. Step 4: Simplify right side
    610,137.88x = 361,376,644,842.12
  5. Step 5: Solve for x
    x = 361,376,644,842.12/610,137.88
  6. Step 6: Final answer
    x = 592,286.85

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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.