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Finding the Fourth Proportional to 521,887.86, 781,575.48 and 296,697.33

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Solution

The fourth proportional to 521,887.86, 781,575.48 and 296,697.33 is: 444,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,887.86 : 781,575.48 = 296,697.33 : x
  2. Step 2: Convert to fraction form
    521,887.86/781,575.48 = 296,697.33/x
  3. Step 3: Cross multiply
    521,887.86x = 781,575.48 × 296,697.33
  4. Step 4: Simplify right side
    521,887.86x = 231,891,358,109.47
  5. Step 5: Solve for x
    x = 231,891,358,109.47/521,887.86
  6. Step 6: Final answer
    x = 444,331.77

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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.