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Finding the Fourth Proportional to 399,232.47, 595,793.32 and 356,634.16

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Solution

The fourth proportional to 399,232.47, 595,793.32 and 356,634.16 is: 532,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,232.47 : 595,793.32 = 356,634.16 : x
  2. Step 2: Convert to fraction form
    399,232.47/595,793.32 = 356,634.16/x
  3. Step 3: Cross multiply
    399,232.47x = 595,793.32 × 356,634.16
  4. Step 4: Simplify right side
    399,232.47x = 212,480,250,211.81
  5. Step 5: Solve for x
    x = 212,480,250,211.81/399,232.47
  6. Step 6: Final answer
    x = 532,221.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.