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Finding the Fourth Proportional to 517,029.60, 775,542.96 and 162,045.12

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Solution

The fourth proportional to 517,029.60, 775,542.96 and 162,045.12 is: 243,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,029.60 : 775,542.96 = 162,045.12 : x
  2. Step 2: Convert to fraction form
    517,029.60/775,542.96 = 162,045.12/x
  3. Step 3: Cross multiply
    517,029.60x = 775,542.96 × 162,045.12
  4. Step 4: Simplify right side
    517,029.60x = 125,672,952,018.36
  5. Step 5: Solve for x
    x = 125,672,952,018.36/517,029.60
  6. Step 6: Final answer
    x = 243,067.23

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Similar ratio
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1.5x scale

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.