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Finding the Fourth Proportional to 475,624.73, 656,347.91 and 260,757.45

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Solution

The fourth proportional to 475,624.73, 656,347.91 and 260,757.45 is: 359,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,624.73 : 656,347.91 = 260,757.45 : x
  2. Step 2: Convert to fraction form
    475,624.73/656,347.91 = 260,757.45/x
  3. Step 3: Cross multiply
    475,624.73x = 656,347.91 × 260,757.45
  4. Step 4: Simplify right side
    475,624.73x = 171,147,606,020.64
  5. Step 5: Solve for x
    x = 171,147,606,020.64/475,624.73
  6. Step 6: Final answer
    x = 359,837.49

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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.