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Finding the Fourth Proportional to 573,060.21, 859,694.06 and 188,829.55

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Solution

The fourth proportional to 573,060.21, 859,694.06 and 188,829.55 is: 283,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,060.21 : 859,694.06 = 188,829.55 : x
  2. Step 2: Convert to fraction form
    573,060.21/859,694.06 = 188,829.55/x
  3. Step 3: Cross multiply
    573,060.21x = 859,694.06 × 188,829.55
  4. Step 4: Simplify right side
    573,060.21x = 162,335,642,487.47
  5. Step 5: Solve for x
    x = 162,335,642,487.47/573,060.21
  6. Step 6: Final answer
    x = 283,278.51

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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.