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Finding the Fourth Proportional to 397,326.10, 595,989.15 and 366,999.70

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Solution

The fourth proportional to 397,326.10, 595,989.15 and 366,999.70 is: 550,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,326.10 : 595,989.15 = 366,999.70 : x
  2. Step 2: Convert to fraction form
    397,326.10/595,989.15 = 366,999.70/x
  3. Step 3: Cross multiply
    397,326.10x = 595,989.15 × 366,999.70
  4. Step 4: Simplify right side
    397,326.10x = 218,727,839,253.26
  5. Step 5: Solve for x
    x = 218,727,839,253.26/397,326.10
  6. Step 6: Final answer
    x = 550,499.55

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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.