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Finding the Fourth Proportional to 354,967,418.60, 532,451,127.90 and 354,967,418.60

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Solution

The fourth proportional to 354,967,418.60, 532,451,127.90 and 354,967,418.60 is: 532,451,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,967,418.60 : 532,451,127.90 = 354,967,418.60 : x
  2. Step 2: Convert to fraction form
    354,967,418.60/532,451,127.90 = 354,967,418.60/x
  3. Step 3: Cross multiply
    354,967,418.60x = 532,451,127.90 × 354,967,418.60
  4. Step 4: Simplify right side
    354,967,418.60x = 189,002,802,401,321,440
  5. Step 5: Solve for x
    x = 189,002,802,401,321,440/354,967,418.60
  6. Step 6: Final answer
    x = 532,451,127.90

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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.