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Finding the Fourth Proportional to 500,531.28, 750,855.24 and 163,597.20

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Solution

The fourth proportional to 500,531.28, 750,855.24 and 163,597.20 is: 245,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,531.28 : 750,855.24 = 163,597.20 : x
  2. Step 2: Convert to fraction form
    500,531.28/750,855.24 = 163,597.20/x
  3. Step 3: Cross multiply
    500,531.28x = 750,855.24 × 163,597.20
  4. Step 4: Simplify right side
    500,531.28x = 122,837,814,869.33
  5. Step 5: Solve for x
    x = 122,837,814,869.33/500,531.28
  6. Step 6: Final answer
    x = 245,414.86

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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.