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Finding the Fourth Proportional to 363,911.70, 545,867.55 and 230,942.10

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Solution

The fourth proportional to 363,911.70, 545,867.55 and 230,942.10 is: 346,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,911.70 : 545,867.55 = 230,942.10 : x
  2. Step 2: Convert to fraction form
    363,911.70/545,867.55 = 230,942.10/x
  3. Step 3: Cross multiply
    363,911.70x = 545,867.55 × 230,942.10
  4. Step 4: Simplify right side
    363,911.70x = 126,063,798,318.86
  5. Step 5: Solve for x
    x = 126,063,798,318.86/363,911.70
  6. Step 6: Final answer
    x = 346,413.15

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Similar ratio
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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.