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Finding the Fourth Proportional to 708,694,747.20, 1,061,026,581.60 and 708,694,747.20

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Solution

The fourth proportional to 708,694,747.20, 1,061,026,581.60 and 708,694,747.20 is: 1,061,026,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,694,747.20 : 1,061,026,581.60 = 708,694,747.20 : x
  2. Step 2: Convert to fraction form
    708,694,747.20/1,061,026,581.60 = 708,694,747.20/x
  3. Step 3: Cross multiply
    708,694,747.20x = 1,061,026,581.60 × 708,694,747.20
  4. Step 4: Simplify right side
    708,694,747.20x = 751,943,965,019,492,224
  5. Step 5: Solve for x
    x = 751,943,965,019,492,224/708,694,747.20
  6. Step 6: Final answer
    x = 1,061,026,581.60

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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.