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Finding the Fourth Proportional to 267,335.40, 401,003.10 and 249,620.70

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Solution

The fourth proportional to 267,335.40, 401,003.10 and 249,620.70 is: 374,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,335.40 : 401,003.10 = 249,620.70 : x
  2. Step 2: Convert to fraction form
    267,335.40/401,003.10 = 249,620.70/x
  3. Step 3: Cross multiply
    267,335.40x = 401,003.10 × 249,620.70
  4. Step 4: Simplify right side
    267,335.40x = 100,098,674,524.17
  5. Step 5: Solve for x
    x = 100,098,674,524.17/267,335.40
  6. Step 6: Final answer
    x = 374,431.05

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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.