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Finding the Fourth Proportional to 519,347.13, 779,065.29 and 182,358.81

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Solution

The fourth proportional to 519,347.13, 779,065.29 and 182,358.81 is: 273,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,347.13 : 779,065.29 = 182,358.81 : x
  2. Step 2: Convert to fraction form
    519,347.13/779,065.29 = 182,358.81/x
  3. Step 3: Cross multiply
    519,347.13x = 779,065.29 × 182,358.81
  4. Step 4: Simplify right side
    519,347.13x = 142,069,419,196.71
  5. Step 5: Solve for x
    x = 142,069,419,196.71/519,347.13
  6. Step 6: Final answer
    x = 273,553.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.