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Finding the Fourth Proportional to 542,247.40, 813,225.30 and 163,167.40

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Solution

The fourth proportional to 542,247.40, 813,225.30 and 163,167.40 is: 244,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,247.40 : 813,225.30 = 163,167.40 : x
  2. Step 2: Convert to fraction form
    542,247.40/813,225.30 = 163,167.40/x
  3. Step 3: Cross multiply
    542,247.40x = 813,225.30 × 163,167.40
  4. Step 4: Simplify right side
    542,247.40x = 132,691,857,815.22
  5. Step 5: Solve for x
    x = 132,691,857,815.22/542,247.40
  6. Step 6: Final answer
    x = 244,707.23

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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.