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Finding the Fourth Proportional to 268,013,025.60, 375,728,419.20 and 268,013,025.60

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Solution

The fourth proportional to 268,013,025.60, 375,728,419.20 and 268,013,025.60 is: 375,728,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,013,025.60 : 375,728,419.20 = 268,013,025.60 : x
  2. Step 2: Convert to fraction form
    268,013,025.60/375,728,419.20 = 268,013,025.60/x
  3. Step 3: Cross multiply
    268,013,025.60x = 375,728,419.20 × 268,013,025.60
  4. Step 4: Simplify right side
    268,013,025.60x = 100,700,110,433,697,120
  5. Step 5: Solve for x
    x = 100,700,110,433,697,120/268,013,025.60
  6. Step 6: Final answer
    x = 375,728,419.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.