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Finding the Fourth Proportional to 417,999.44, 576,836.70 and 227,011.16

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Solution

The fourth proportional to 417,999.44, 576,836.70 and 227,011.16 is: 313,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,999.44 : 576,836.70 = 227,011.16 : x
  2. Step 2: Convert to fraction form
    417,999.44/576,836.70 = 227,011.16/x
  3. Step 3: Cross multiply
    417,999.44x = 576,836.70 × 227,011.16
  4. Step 4: Simplify right side
    417,999.44x = 130,948,368,397.57
  5. Step 5: Solve for x
    x = 130,948,368,397.57/417,999.44
  6. Step 6: Final answer
    x = 313,274.03

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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.