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Finding the Fourth Proportional to 526,614.48, 790,003.44 and 171,545.76

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Solution

The fourth proportional to 526,614.48, 790,003.44 and 171,545.76 is: 257,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,614.48 : 790,003.44 = 171,545.76 : x
  2. Step 2: Convert to fraction form
    526,614.48/790,003.44 = 171,545.76/x
  3. Step 3: Cross multiply
    526,614.48x = 790,003.44 × 171,545.76
  4. Step 4: Simplify right side
    526,614.48x = 135,521,740,517.41
  5. Step 5: Solve for x
    x = 135,521,740,517.41/526,614.48
  6. Step 6: Final answer
    x = 257,345.26

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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.