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Finding the Fourth Proportional to 346,882.76, 520,318.68 and 187,033.10

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Solution

The fourth proportional to 346,882.76, 520,318.68 and 187,033.10 is: 280,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,882.76 : 520,318.68 = 187,033.10 : x
  2. Step 2: Convert to fraction form
    346,882.76/520,318.68 = 187,033.10/x
  3. Step 3: Cross multiply
    346,882.76x = 520,318.68 × 187,033.10
  4. Step 4: Simplify right side
    346,882.76x = 97,316,815,708.31
  5. Step 5: Solve for x
    x = 97,316,815,708.31/346,882.76
  6. Step 6: Final answer
    x = 280,546.71

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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.