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Finding the Fourth Proportional to 444,630.50, 613,590.45 and 240,680.79

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Solution

The fourth proportional to 444,630.50, 613,590.45 and 240,680.79 is: 332,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,630.50 : 613,590.45 = 240,680.79 : x
  2. Step 2: Convert to fraction form
    444,630.50/613,590.45 = 240,680.79/x
  3. Step 3: Cross multiply
    444,630.50x = 613,590.45 × 240,680.79
  4. Step 4: Simplify right side
    444,630.50x = 147,679,433,339.90
  5. Step 5: Solve for x
    x = 147,679,433,339.90/444,630.50
  6. Step 6: Final answer
    x = 332,139.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.