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Finding the Fourth Proportional to 426,713.43, 588,842.78 and 235,689.87

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Solution

The fourth proportional to 426,713.43, 588,842.78 and 235,689.87 is: 325,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,713.43 : 588,842.78 = 235,689.87 : x
  2. Step 2: Convert to fraction form
    426,713.43/588,842.78 = 235,689.87/x
  3. Step 3: Cross multiply
    426,713.43x = 588,842.78 × 235,689.87
  4. Step 4: Simplify right side
    426,713.43x = 138,784,277,090.19
  5. Step 5: Solve for x
    x = 138,784,277,090.19/426,713.43
  6. Step 6: Final answer
    x = 325,240.00

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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.