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Finding the Fourth Proportional to 582,708.30, 874,172.70 and 227,699.88

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Solution

The fourth proportional to 582,708.30, 874,172.70 and 227,699.88 is: 341,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,708.30 : 874,172.70 = 227,699.88 : x
  2. Step 2: Convert to fraction form
    582,708.30/874,172.70 = 227,699.88/x
  3. Step 3: Cross multiply
    582,708.30x = 874,172.70 × 227,699.88
  4. Step 4: Simplify right side
    582,708.30x = 199,049,018,889.28
  5. Step 5: Solve for x
    x = 199,049,018,889.28/582,708.30
  6. Step 6: Final answer
    x = 341,592.90

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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.