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Finding the Fourth Proportional to 461,275.22, 691,942 and 195,000.68

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Solution

The fourth proportional to 461,275.22, 691,942 and 195,000.68 is: 292,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,275.22 : 691,942 = 195,000.68 : x
  2. Step 2: Convert to fraction form
    461,275.22/691,942 = 195,000.68/x
  3. Step 3: Cross multiply
    461,275.22x = 691,942 × 195,000.68
  4. Step 4: Simplify right side
    461,275.22x = 134,929,160,520.56
  5. Step 5: Solve for x
    x = 134,929,160,520.56/461,275.22
  6. Step 6: Final answer
    x = 292,513.35

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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.