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Finding the Fourth Proportional to 240,843.47, 332,048.90 and 207,213.20

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Solution

The fourth proportional to 240,843.47, 332,048.90 and 207,213.20 is: 285,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,843.47 : 332,048.90 = 207,213.20 : x
  2. Step 2: Convert to fraction form
    240,843.47/332,048.90 = 207,213.20/x
  3. Step 3: Cross multiply
    240,843.47x = 332,048.90 × 207,213.20
  4. Step 4: Simplify right side
    240,843.47x = 68,804,915,228.45
  5. Step 5: Solve for x
    x = 68,804,915,228.45/240,843.47
  6. Step 6: Final answer
    x = 285,683.13

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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.