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Finding the Fourth Proportional to 470,992.95, 649,984.89 and 267,052.47

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Solution

The fourth proportional to 470,992.95, 649,984.89 and 267,052.47 is: 368,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,992.95 : 649,984.89 = 267,052.47 : x
  2. Step 2: Convert to fraction form
    470,992.95/649,984.89 = 267,052.47/x
  3. Step 3: Cross multiply
    470,992.95x = 649,984.89 × 267,052.47
  4. Step 4: Simplify right side
    470,992.95x = 173,580,070,337.18
  5. Step 5: Solve for x
    x = 173,580,070,337.18/470,992.95
  6. Step 6: Final answer
    x = 368,540.70

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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.