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Finding the Fourth Proportional to 267,178,575.20, 400,130,133.60 and 267,178,575.20

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Solution

The fourth proportional to 267,178,575.20, 400,130,133.60 and 267,178,575.20 is: 400,130,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,178,575.20 : 400,130,133.60 = 267,178,575.20 : x
  2. Step 2: Convert to fraction form
    267,178,575.20/400,130,133.60 = 267,178,575.20/x
  3. Step 3: Cross multiply
    267,178,575.20x = 400,130,133.60 × 267,178,575.20
  4. Step 4: Simplify right side
    267,178,575.20x = 106,906,198,989,833,648
  5. Step 5: Solve for x
    x = 106,906,198,989,833,648/267,178,575.20
  6. Step 6: Final answer
    x = 400,130,133.60

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1.5x scale

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.