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Finding the Fourth Proportional to 239,468.40, 359,591.40 and 160,930.80

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Solution

The fourth proportional to 239,468.40, 359,591.40 and 160,930.80 is: 241,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,468.40 : 359,591.40 = 160,930.80 : x
  2. Step 2: Convert to fraction form
    239,468.40/359,591.40 = 160,930.80/x
  3. Step 3: Cross multiply
    239,468.40x = 359,591.40 × 160,930.80
  4. Step 4: Simplify right side
    239,468.40x = 57,869,331,675.12
  5. Step 5: Solve for x
    x = 57,869,331,675.12/239,468.40
  6. Step 6: Final answer
    x = 241,657.49

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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.