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Finding the Fourth Proportional to 230,472, 345,766.32 and 64,260

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Solution

The fourth proportional to 230,472, 345,766.32 and 64,260 is: 96,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,472 : 345,766.32 = 64,260 : x
  2. Step 2: Convert to fraction form
    230,472/345,766.32 = 64,260/x
  3. Step 3: Cross multiply
    230,472x = 345,766.32 × 64,260
  4. Step 4: Simplify right side
    230,472x = 22,218,943,723.20
  5. Step 5: Solve for x
    x = 22,218,943,723.20/230,472
  6. Step 6: Final answer
    x = 96,406.26

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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.