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Finding the Fourth Proportional to 532,960.32, 799,493.76 and 153,890.16

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Solution

The fourth proportional to 532,960.32, 799,493.76 and 153,890.16 is: 230,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,960.32 : 799,493.76 = 153,890.16 : x
  2. Step 2: Convert to fraction form
    532,960.32/799,493.76 = 153,890.16/x
  3. Step 3: Cross multiply
    532,960.32x = 799,493.76 × 153,890.16
  4. Step 4: Simplify right side
    532,960.32x = 123,034,222,645.40
  5. Step 5: Solve for x
    x = 123,034,222,645.40/532,960.32
  6. Step 6: Final answer
    x = 230,850.62

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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.