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Finding the Fourth Proportional to 575,082.86, 862,624.49 and 154,358.73

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Solution

The fourth proportional to 575,082.86, 862,624.49 and 154,358.73 is: 231,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,082.86 : 862,624.49 = 154,358.73 : x
  2. Step 2: Convert to fraction form
    575,082.86/862,624.49 = 154,358.73/x
  3. Step 3: Cross multiply
    575,082.86x = 862,624.49 × 154,358.73
  4. Step 4: Simplify right side
    575,082.86x = 133,153,619,971.50
  5. Step 5: Solve for x
    x = 133,153,619,971.50/575,082.86
  6. Step 6: Final answer
    x = 231,538.15

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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.