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Finding the Fourth Proportional to 426,713.32, 588,875.92 and 254,731.08

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Solution

The fourth proportional to 426,713.32, 588,875.92 and 254,731.08 is: 351,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,713.32 : 588,875.92 = 254,731.08 : x
  2. Step 2: Convert to fraction form
    426,713.32/588,875.92 = 254,731.08/x
  3. Step 3: Cross multiply
    426,713.32x = 588,875.92 × 254,731.08
  4. Step 4: Simplify right side
    426,713.32x = 150,004,998,779.49
  5. Step 5: Solve for x
    x = 150,004,998,779.49/426,713.32
  6. Step 6: Final answer
    x = 351,535.78

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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.