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Finding the Fourth Proportional to 485,022.17, 669,304.13 and 267,188.19

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Solution

The fourth proportional to 485,022.17, 669,304.13 and 267,188.19 is: 368,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,022.17 : 669,304.13 = 267,188.19 : x
  2. Step 2: Convert to fraction form
    485,022.17/669,304.13 = 267,188.19/x
  3. Step 3: Cross multiply
    485,022.17x = 669,304.13 × 267,188.19
  4. Step 4: Simplify right side
    485,022.17x = 178,830,157,718.28
  5. Step 5: Solve for x
    x = 178,830,157,718.28/485,022.17
  6. Step 6: Final answer
    x = 368,705.12

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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.