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Finding the Fourth Proportional to 283,502.76, 425,402.40 and 267,165.90

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Solution

The fourth proportional to 283,502.76, 425,402.40 and 267,165.90 is: 400,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,502.76 : 425,402.40 = 267,165.90 : x
  2. Step 2: Convert to fraction form
    283,502.76/425,402.40 = 267,165.90/x
  3. Step 3: Cross multiply
    283,502.76x = 425,402.40 × 267,165.90
  4. Step 4: Simplify right side
    283,502.76x = 113,653,015,058.16
  5. Step 5: Solve for x
    x = 113,653,015,058.16/283,502.76
  6. Step 6: Final answer
    x = 400,888.57

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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.