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Finding the Fourth Proportional to 318,346.49, 477,355.41 and 93,677.73

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Solution

The fourth proportional to 318,346.49, 477,355.41 and 93,677.73 is: 140,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,346.49 : 477,355.41 = 93,677.73 : x
  2. Step 2: Convert to fraction form
    318,346.49/477,355.41 = 93,677.73/x
  3. Step 3: Cross multiply
    318,346.49x = 477,355.41 × 93,677.73
  4. Step 4: Simplify right side
    318,346.49x = 44,717,571,212.02
  5. Step 5: Solve for x
    x = 44,717,571,212.02/318,346.49
  6. Step 6: Final answer
    x = 140,468.24

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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.