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Finding the Fourth Proportional to 426,589.96, 588,689.22 and 232,996.72

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Solution

The fourth proportional to 426,589.96, 588,689.22 and 232,996.72 is: 321,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,589.96 : 588,689.22 = 232,996.72 : x
  2. Step 2: Convert to fraction form
    426,589.96/588,689.22 = 232,996.72/x
  3. Step 3: Cross multiply
    426,589.96x = 588,689.22 × 232,996.72
  4. Step 4: Simplify right side
    426,589.96x = 137,162,657,359.36
  5. Step 5: Solve for x
    x = 137,162,657,359.36/426,589.96
  6. Step 6: Final answer
    x = 321,532.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.