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Finding the Fourth Proportional to 496,672.80, 745,124.88 and 141,691.68

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Solution

The fourth proportional to 496,672.80, 745,124.88 and 141,691.68 is: 212,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,672.80 : 745,124.88 = 141,691.68 : x
  2. Step 2: Convert to fraction form
    496,672.80/745,124.88 = 141,691.68/x
  3. Step 3: Cross multiply
    496,672.80x = 745,124.88 × 141,691.68
  4. Step 4: Simplify right side
    496,672.80x = 105,577,996,057.00
  5. Step 5: Solve for x
    x = 105,577,996,057.00/496,672.80
  6. Step 6: Final answer
    x = 212,570.52

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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.