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Finding the Fourth Proportional to 374,248.71, 516,649.73 and 231,087.69

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Solution

The fourth proportional to 374,248.71, 516,649.73 and 231,087.69 is: 319,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,248.71 : 516,649.73 = 231,087.69 : x
  2. Step 2: Convert to fraction form
    374,248.71/516,649.73 = 231,087.69/x
  3. Step 3: Cross multiply
    374,248.71x = 516,649.73 × 231,087.69
  4. Step 4: Simplify right side
    374,248.71x = 119,391,391,489.39
  5. Step 5: Solve for x
    x = 119,391,391,489.39/374,248.71
  6. Step 6: Final answer
    x = 319,016.17

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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.