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Finding the Fourth Proportional to 752,965,710.15, 1,129,448,565.23 and 752,965,710.15

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Solution

The fourth proportional to 752,965,710.15, 1,129,448,565.23 and 752,965,710.15 is: 1,129,448,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,965,710.15 : 1,129,448,565.23 = 752,965,710.15 : x
  2. Step 2: Convert to fraction form
    752,965,710.15/1,129,448,565.23 = 752,965,710.15/x
  3. Step 3: Cross multiply
    752,965,710.15x = 1,129,448,565.23 × 752,965,710.15
  4. Step 4: Simplify right side
    752,965,710.15x = 850,436,040,992,540,672
  5. Step 5: Solve for x
    x = 850,436,040,992,540,672/752,965,710.15
  6. Step 6: Final answer
    x = 1,129,448,565.23

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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.