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Finding the Fourth Proportional to 493,497.82, 740,520.44 and 240,780.38

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Solution

The fourth proportional to 493,497.82, 740,520.44 and 240,780.38 is: 361,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,497.82 : 740,520.44 = 240,780.38 : x
  2. Step 2: Convert to fraction form
    493,497.82/740,520.44 = 240,780.38/x
  3. Step 3: Cross multiply
    493,497.82x = 740,520.44 × 240,780.38
  4. Step 4: Simplify right side
    493,497.82x = 178,302,791,737.07
  5. Step 5: Solve for x
    x = 178,302,791,737.07/493,497.82
  6. Step 6: Final answer
    x = 361,304.12

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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.