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Finding the Fourth Proportional to 426,687.95, 588,854.61 and 245,451.26

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Solution

The fourth proportional to 426,687.95, 588,854.61 and 245,451.26 is: 338,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,687.95 : 588,854.61 = 245,451.26 : x
  2. Step 2: Convert to fraction form
    426,687.95/588,854.61 = 245,451.26/x
  3. Step 3: Cross multiply
    426,687.95x = 588,854.61 × 245,451.26
  4. Step 4: Simplify right side
    426,687.95x = 144,535,107,453.45
  5. Step 5: Solve for x
    x = 144,535,107,453.45/426,687.95
  6. Step 6: Final answer
    x = 338,737.26

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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.