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Finding the Fourth Proportional to 268,273.20, 402,409.80 and 237,946.80

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Solution

The fourth proportional to 268,273.20, 402,409.80 and 237,946.80 is: 356,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,273.20 : 402,409.80 = 237,946.80 : x
  2. Step 2: Convert to fraction form
    268,273.20/402,409.80 = 237,946.80/x
  3. Step 3: Cross multiply
    268,273.20x = 402,409.80 × 237,946.80
  4. Step 4: Simplify right side
    268,273.20x = 95,752,124,198.64
  5. Step 5: Solve for x
    x = 95,752,124,198.64/268,273.20
  6. Step 6: Final answer
    x = 356,920.20

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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.