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Finding the Fourth Proportional to 507,140.39, 761,472.62 and 482,764.91

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Solution

The fourth proportional to 507,140.39, 761,472.62 and 482,764.91 is: 724,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,140.39 : 761,472.62 = 482,764.91 : x
  2. Step 2: Convert to fraction form
    507,140.39/761,472.62 = 482,764.91/x
  3. Step 3: Cross multiply
    507,140.39x = 761,472.62 × 482,764.91
  4. Step 4: Simplify right side
    507,140.39x = 367,612,262,092.01
  5. Step 5: Solve for x
    x = 367,612,262,092.01/507,140.39
  6. Step 6: Final answer
    x = 724,872.77

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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.