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Finding the Fourth Proportional to 451,008,046.45, 676,512,069.68 and 451,008,046.45

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Solution

The fourth proportional to 451,008,046.45, 676,512,069.68 and 451,008,046.45 is: 676,512,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,008,046.45 : 676,512,069.68 = 451,008,046.45 : x
  2. Step 2: Convert to fraction form
    451,008,046.45/676,512,069.68 = 451,008,046.45/x
  3. Step 3: Cross multiply
    451,008,046.45x = 676,512,069.68 × 451,008,046.45
  4. Step 4: Simplify right side
    451,008,046.45x = 305,112,386,946,223,040
  5. Step 5: Solve for x
    x = 305,112,386,946,223,040/451,008,046.45
  6. Step 6: Final answer
    x = 676,512,069.68

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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.