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Finding the Fourth Proportional to 582,354.65, 873,742.16 and 203,331.21

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Solution

The fourth proportional to 582,354.65, 873,742.16 and 203,331.21 is: 305,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,354.65 : 873,742.16 = 203,331.21 : x
  2. Step 2: Convert to fraction form
    582,354.65/873,742.16 = 203,331.21/x
  3. Step 3: Cross multiply
    582,354.65x = 873,742.16 × 203,331.21
  4. Step 4: Simplify right side
    582,354.65x = 177,659,049,604.16
  5. Step 5: Solve for x
    x = 177,659,049,604.16/582,354.65
  6. Step 6: Final answer
    x = 305,070.20

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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.