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Finding the Fourth Proportional to 267,451,745.40, 400,421,790.90 and 240,241,966.20

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Solution

The fourth proportional to 267,451,745.40, 400,421,790.90 and 240,241,966.20 is: 359,684,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,451,745.40 : 400,421,790.90 = 240,241,966.20 : x
  2. Step 2: Convert to fraction form
    267,451,745.40/400,421,790.90 = 240,241,966.20/x
  3. Step 3: Cross multiply
    267,451,745.40x = 400,421,790.90 × 240,241,966.20
  4. Step 4: Simplify right side
    267,451,745.40x = 96,198,118,355,141,264
  5. Step 5: Solve for x
    x = 96,198,118,355,141,264/267,451,745.40
  6. Step 6: Final answer
    x = 359,684,017.81

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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.