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Finding the Fourth Proportional to 461,714.20, 692,571.30 and 146,195.80

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Solution

The fourth proportional to 461,714.20, 692,571.30 and 146,195.80 is: 219,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,714.20 : 692,571.30 = 146,195.80 : x
  2. Step 2: Convert to fraction form
    461,714.20/692,571.30 = 146,195.80/x
  3. Step 3: Cross multiply
    461,714.20x = 692,571.30 × 146,195.80
  4. Step 4: Simplify right side
    461,714.20x = 101,251,015,260.54
  5. Step 5: Solve for x
    x = 101,251,015,260.54/461,714.20
  6. Step 6: Final answer
    x = 219,293.70

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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.