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Finding the Fourth Proportional to 373,505,599.80, 560,258,399.70 and 114,720,404.85

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Solution

The fourth proportional to 373,505,599.80, 560,258,399.70 and 114,720,404.85 is: 172,080,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,505,599.80 : 560,258,399.70 = 114,720,404.85 : x
  2. Step 2: Convert to fraction form
    373,505,599.80/560,258,399.70 = 114,720,404.85/x
  3. Step 3: Cross multiply
    373,505,599.80x = 560,258,399.70 × 114,720,404.85
  4. Step 4: Simplify right side
    373,505,599.80x = 64,273,070,434,197,120
  5. Step 5: Solve for x
    x = 64,273,070,434,197,120/373,505,599.80
  6. Step 6: Final answer
    x = 172,080,607.28

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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.