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Finding the Fourth Proportional to 761,481, 1,142,034.39 and 335,123.73

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Solution

The fourth proportional to 761,481, 1,142,034.39 and 335,123.73 is: 502,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,481 : 1,142,034.39 = 335,123.73 : x
  2. Step 2: Convert to fraction form
    761,481/1,142,034.39 = 335,123.73/x
  3. Step 3: Cross multiply
    761,481x = 1,142,034.39 × 335,123.73
  4. Step 4: Simplify right side
    761,481x = 382,722,824,565.08
  5. Step 5: Solve for x
    x = 382,722,824,565.08/761,481
  6. Step 6: Final answer
    x = 502,603.25

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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.