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Finding the Fourth Proportional to 582,712.30, 874,178.70 and 227,703.88

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Solution

The fourth proportional to 582,712.30, 874,178.70 and 227,703.88 is: 341,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,712.30 : 874,178.70 = 227,703.88 : x
  2. Step 2: Convert to fraction form
    582,712.30/874,178.70 = 227,703.88/x
  3. Step 3: Cross multiply
    582,712.30x = 874,178.70 × 227,703.88
  4. Step 4: Simplify right side
    582,712.30x = 199,053,881,803.36
  5. Step 5: Solve for x
    x = 199,053,881,803.36/582,712.30
  6. Step 6: Final answer
    x = 341,598.90

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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.