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Finding the Fourth Proportional to 707,944.56, 976,952.20 and 385,658.52

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Solution

The fourth proportional to 707,944.56, 976,952.20 and 385,658.52 is: 532,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,944.56 : 976,952.20 = 385,658.52 : x
  2. Step 2: Convert to fraction form
    707,944.56/976,952.20 = 385,658.52/x
  3. Step 3: Cross multiply
    707,944.56x = 976,952.20 × 385,658.52
  4. Step 4: Simplify right side
    707,944.56x = 376,769,939,562.74
  5. Step 5: Solve for x
    x = 376,769,939,562.74/707,944.56
  6. Step 6: Final answer
    x = 532,202.61

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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.