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Finding the Fourth Proportional to 471,017.36, 649,990.06 and 267,086.90

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Solution

The fourth proportional to 471,017.36, 649,990.06 and 267,086.90 is: 368,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,017.36 : 649,990.06 = 267,086.90 : x
  2. Step 2: Convert to fraction form
    471,017.36/649,990.06 = 267,086.90/x
  3. Step 3: Cross multiply
    471,017.36x = 649,990.06 × 267,086.90
  4. Step 4: Simplify right side
    471,017.36x = 173,603,831,113.47
  5. Step 5: Solve for x
    x = 173,603,831,113.47/471,017.36
  6. Step 6: Final answer
    x = 368,572.04

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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.