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Finding the Fourth Proportional to 605,033,862.60, 907,550,793.90 and 174,255,904.20

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Solution

The fourth proportional to 605,033,862.60, 907,550,793.90 and 174,255,904.20 is: 261,383,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,033,862.60 : 907,550,793.90 = 174,255,904.20 : x
  2. Step 2: Convert to fraction form
    605,033,862.60/907,550,793.90 = 174,255,904.20/x
  3. Step 3: Cross multiply
    605,033,862.60x = 907,550,793.90 × 174,255,904.20
  4. Step 4: Simplify right side
    605,033,862.60x = 158,146,084,198,472,320
  5. Step 5: Solve for x
    x = 158,146,084,198,472,320/605,033,862.60
  6. Step 6: Final answer
    x = 261,383,856.30

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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.