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Finding the Fourth Proportional to 267,943,229.70, 401,914,844.55 and 265,675,748.10

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Solution

The fourth proportional to 267,943,229.70, 401,914,844.55 and 265,675,748.10 is: 398,513,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,943,229.70 : 401,914,844.55 = 265,675,748.10 : x
  2. Step 2: Convert to fraction form
    267,943,229.70/401,914,844.55 = 265,675,748.10/x
  3. Step 3: Cross multiply
    267,943,229.70x = 401,914,844.55 × 265,675,748.10
  4. Step 4: Simplify right side
    267,943,229.70x = 106,779,026,998,316,464
  5. Step 5: Solve for x
    x = 106,779,026,998,316,464/267,943,229.70
  6. Step 6: Final answer
    x = 398,513,622.15

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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.