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Finding the Fourth Proportional to 581,067.32, 871,651.20 and 160,343.20

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Solution

The fourth proportional to 581,067.32, 871,651.20 and 160,343.20 is: 240,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,067.32 : 871,651.20 = 160,343.20 : x
  2. Step 2: Convert to fraction form
    581,067.32/871,651.20 = 160,343.20/x
  3. Step 3: Cross multiply
    581,067.32x = 871,651.20 × 160,343.20
  4. Step 4: Simplify right side
    581,067.32x = 139,763,342,691.84
  5. Step 5: Solve for x
    x = 139,763,342,691.84/581,067.32
  6. Step 6: Final answer
    x = 240,528.66

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1.5x scale

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.