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Finding the Fourth Proportional to 267,457.20, 400,693.72 and 167,598.78

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Solution

The fourth proportional to 267,457.20, 400,693.72 and 167,598.78 is: 251,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,457.20 : 400,693.72 = 167,598.78 : x
  2. Step 2: Convert to fraction form
    267,457.20/400,693.72 = 167,598.78/x
  3. Step 3: Cross multiply
    267,457.20x = 400,693.72 × 167,598.78
  4. Step 4: Simplify right side
    267,457.20x = 67,155,778,625.66
  5. Step 5: Solve for x
    x = 67,155,778,625.66/267,457.20
  6. Step 6: Final answer
    x = 251,089.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.