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Finding the Fourth Proportional to 360,162.09, 540,280.80 and 123,523.83

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Solution

The fourth proportional to 360,162.09, 540,280.80 and 123,523.83 is: 185,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,162.09 : 540,280.80 = 123,523.83 : x
  2. Step 2: Convert to fraction form
    360,162.09/540,280.80 = 123,523.83/x
  3. Step 3: Cross multiply
    360,162.09x = 540,280.80 × 123,523.83
  4. Step 4: Simplify right side
    360,162.09x = 66,737,553,691.46
  5. Step 5: Solve for x
    x = 66,737,553,691.46/360,162.09
  6. Step 6: Final answer
    x = 185,298.66

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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.