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Finding the Fourth Proportional to 445,959.27, 615,412.62 and 254,960.46

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Solution

The fourth proportional to 445,959.27, 615,412.62 and 254,960.46 is: 351,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,959.27 : 615,412.62 = 254,960.46 : x
  2. Step 2: Convert to fraction form
    445,959.27/615,412.62 = 254,960.46/x
  3. Step 3: Cross multiply
    445,959.27x = 615,412.62 × 254,960.46
  4. Step 4: Simplify right side
    445,959.27x = 156,905,884,685.01
  5. Step 5: Solve for x
    x = 156,905,884,685.01/445,959.27
  6. Step 6: Final answer
    x = 351,839.05

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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.