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Finding the Fourth Proportional to 582,642,604.80, 874,299,830.40 and 219,397,651.20

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Solution

The fourth proportional to 582,642,604.80, 874,299,830.40 and 219,397,651.20 is: 329,222,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,642,604.80 : 874,299,830.40 = 219,397,651.20 : x
  2. Step 2: Convert to fraction form
    582,642,604.80/874,299,830.40 = 219,397,651.20/x
  3. Step 3: Cross multiply
    582,642,604.80x = 874,299,830.40 × 219,397,651.20
  4. Step 4: Simplify right side
    582,642,604.80x = 191,819,329,234,318,336
  5. Step 5: Solve for x
    x = 191,819,329,234,318,336/582,642,604.80
  6. Step 6: Final answer
    x = 329,222,970.74

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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.