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Finding the Fourth Proportional to 555,560,546.88, 833,170,627.98 and 384,138,937.92

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Solution

The fourth proportional to 555,560,546.88, 833,170,627.98 and 384,138,937.92 is: 576,090,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,560,546.88 : 833,170,627.98 = 384,138,937.92 : x
  2. Step 2: Convert to fraction form
    555,560,546.88/833,170,627.98 = 384,138,937.92/x
  3. Step 3: Cross multiply
    555,560,546.88x = 833,170,627.98 × 384,138,937.92
  4. Step 4: Simplify right side
    555,560,546.88x = 320,053,280,138,376,640
  5. Step 5: Solve for x
    x = 320,053,280,138,376,640/555,560,546.88
  6. Step 6: Final answer
    x = 576,090,728.43

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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.