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Finding the Fourth Proportional to 482,119.01, 665,279.49 and 267,240.79

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Solution

The fourth proportional to 482,119.01, 665,279.49 and 267,240.79 is: 368,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,119.01 : 665,279.49 = 267,240.79 : x
  2. Step 2: Convert to fraction form
    482,119.01/665,279.49 = 267,240.79/x
  3. Step 3: Cross multiply
    482,119.01x = 665,279.49 × 267,240.79
  4. Step 4: Simplify right side
    482,119.01x = 177,789,816,478.40
  5. Step 5: Solve for x
    x = 177,789,816,478.40/482,119.01
  6. Step 6: Final answer
    x = 368,767.49

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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.