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Finding the Fourth Proportional to 267,910,506.40, 401,865,759.60 and 264,327,325.60

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Solution

The fourth proportional to 267,910,506.40, 401,865,759.60 and 264,327,325.60 is: 396,490,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,910,506.40 : 401,865,759.60 = 264,327,325.60 : x
  2. Step 2: Convert to fraction form
    267,910,506.40/401,865,759.60 = 264,327,325.60/x
  3. Step 3: Cross multiply
    267,910,506.40x = 401,865,759.60 × 264,327,325.60
  4. Step 4: Simplify right side
    267,910,506.40x = 106,224,101,485,280,528
  5. Step 5: Solve for x
    x = 106,224,101,485,280,528/267,910,506.40
  6. Step 6: Final answer
    x = 396,490,988.40

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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.