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Finding the Fourth Proportional to 246,501.80, 369,752.70 and 80,306.60

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Solution

The fourth proportional to 246,501.80, 369,752.70 and 80,306.60 is: 120,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,501.80 : 369,752.70 = 80,306.60 : x
  2. Step 2: Convert to fraction form
    246,501.80/369,752.70 = 80,306.60/x
  3. Step 3: Cross multiply
    246,501.80x = 369,752.70 × 80,306.60
  4. Step 4: Simplify right side
    246,501.80x = 29,693,582,177.82
  5. Step 5: Solve for x
    x = 29,693,582,177.82/246,501.80
  6. Step 6: Final answer
    x = 120,459.90

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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.