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Finding the Fourth Proportional to 580,668,000.80, 871,002,001.20 and 197,715,552.80

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Solution

The fourth proportional to 580,668,000.80, 871,002,001.20 and 197,715,552.80 is: 296,573,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,668,000.80 : 871,002,001.20 = 197,715,552.80 : x
  2. Step 2: Convert to fraction form
    580,668,000.80/871,002,001.20 = 197,715,552.80/x
  3. Step 3: Cross multiply
    580,668,000.80x = 871,002,001.20 × 197,715,552.80
  4. Step 4: Simplify right side
    580,668,000.80x = 172,210,642,157,164,288
  5. Step 5: Solve for x
    x = 172,210,642,157,164,288/580,668,000.80
  6. Step 6: Final answer
    x = 296,573,329.20

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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.