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Finding the Fourth Proportional to 577,589.27, 866,499.45 and 178,215.05

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Solution

The fourth proportional to 577,589.27, 866,499.45 and 178,215.05 is: 267,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,589.27 : 866,499.45 = 178,215.05 : x
  2. Step 2: Convert to fraction form
    577,589.27/866,499.45 = 178,215.05/x
  3. Step 3: Cross multiply
    577,589.27x = 866,499.45 × 178,215.05
  4. Step 4: Simplify right side
    577,589.27x = 154,423,244,304.67
  5. Step 5: Solve for x
    x = 154,423,244,304.67/577,589.27
  6. Step 6: Final answer
    x = 267,358.23

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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.