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Finding the Fourth Proportional to 676,582,625.60, 945,174,942.40 and 676,582,625.60

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Solution

The fourth proportional to 676,582,625.60, 945,174,942.40 and 676,582,625.60 is: 945,174,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,582,625.60 : 945,174,942.40 = 676,582,625.60 : x
  2. Step 2: Convert to fraction form
    676,582,625.60/945,174,942.40 = 676,582,625.60/x
  3. Step 3: Cross multiply
    676,582,625.60x = 945,174,942.40 × 676,582,625.60
  4. Step 4: Simplify right side
    676,582,625.60x = 639,488,944,180,320,768
  5. Step 5: Solve for x
    x = 639,488,944,180,320,768/676,582,625.60
  6. Step 6: Final answer
    x = 945,174,942.40

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1.5x scale

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.