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Finding the Fourth Proportional to 267,490,869.60, 401,236,304.40 and 267,490,869.60

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Solution

The fourth proportional to 267,490,869.60, 401,236,304.40 and 267,490,869.60 is: 401,236,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,490,869.60 : 401,236,304.40 = 267,490,869.60 : x
  2. Step 2: Convert to fraction form
    267,490,869.60/401,236,304.40 = 267,490,869.60/x
  3. Step 3: Cross multiply
    267,490,869.60x = 401,236,304.40 × 267,490,869.60
  4. Step 4: Simplify right side
    267,490,869.60x = 107,327,047,979,046,304
  5. Step 5: Solve for x
    x = 107,327,047,979,046,304/267,490,869.60
  6. Step 6: Final answer
    x = 401,236,304.40

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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.