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Finding the Fourth Proportional to 318,366.48, 477,385.38 and 93,697.77

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Solution

The fourth proportional to 318,366.48, 477,385.38 and 93,697.77 is: 140,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,366.48 : 477,385.38 = 93,697.77 : x
  2. Step 2: Convert to fraction form
    318,366.48/477,385.38 = 93,697.77/x
  3. Step 3: Cross multiply
    318,366.48x = 477,385.38 × 93,697.77
  4. Step 4: Simplify right side
    318,366.48x = 44,729,945,536.60
  5. Step 5: Solve for x
    x = 44,729,945,536.60/318,366.48
  6. Step 6: Final answer
    x = 140,498.29

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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.