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Finding the Fourth Proportional to 581,332.64, 871,990.32 and 160,599.20

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Solution

The fourth proportional to 581,332.64, 871,990.32 and 160,599.20 is: 240,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,332.64 : 871,990.32 = 160,599.20 : x
  2. Step 2: Convert to fraction form
    581,332.64/871,990.32 = 160,599.20/x
  3. Step 3: Cross multiply
    581,332.64x = 871,990.32 × 160,599.20
  4. Step 4: Simplify right side
    581,332.64x = 140,040,947,799.74
  5. Step 5: Solve for x
    x = 140,040,947,799.74/581,332.64
  6. Step 6: Final answer
    x = 240,896.41

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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.