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Finding the Fourth Proportional to 426,215.71, 588,253.82 and 254,144.71

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Solution

The fourth proportional to 426,215.71, 588,253.82 and 254,144.71 is: 350,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,215.71 : 588,253.82 = 254,144.71 : x
  2. Step 2: Convert to fraction form
    426,215.71/588,253.82 = 254,144.71/x
  3. Step 3: Cross multiply
    426,215.71x = 588,253.82 × 254,144.71
  4. Step 4: Simplify right side
    426,215.71x = 149,501,596,490.29
  5. Step 5: Solve for x
    x = 149,501,596,490.29/426,215.71
  6. Step 6: Final answer
    x = 350,765.10

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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.