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Finding the Fourth Proportional to 523,063.60, 719,562.52 and 458,240.88

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Solution

The fourth proportional to 523,063.60, 719,562.52 and 458,240.88 is: 630,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,063.60 : 719,562.52 = 458,240.88 : x
  2. Step 2: Convert to fraction form
    523,063.60/719,562.52 = 458,240.88/x
  3. Step 3: Cross multiply
    523,063.60x = 719,562.52 × 458,240.88
  4. Step 4: Simplify right side
    523,063.60x = 329,732,962,379.82
  5. Step 5: Solve for x
    x = 329,732,962,379.82/523,063.60
  6. Step 6: Final answer
    x = 630,387.90

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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.