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Finding the Fourth Proportional to 461,520.80, 692,281.20 and 195,212.24

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Solution

The fourth proportional to 461,520.80, 692,281.20 and 195,212.24 is: 292,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,520.80 : 692,281.20 = 195,212.24 : x
  2. Step 2: Convert to fraction form
    461,520.80/692,281.20 = 195,212.24/x
  3. Step 3: Cross multiply
    461,520.80x = 692,281.20 × 195,212.24
  4. Step 4: Simplify right side
    461,520.80x = 135,141,763,761.89
  5. Step 5: Solve for x
    x = 135,141,763,761.89/461,520.80
  6. Step 6: Final answer
    x = 292,818.36

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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.