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Finding the Fourth Proportional to 582,451.76, 873,887.88 and 203,428.28

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Solution

The fourth proportional to 582,451.76, 873,887.88 and 203,428.28 is: 305,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,451.76 : 873,887.88 = 203,428.28 : x
  2. Step 2: Convert to fraction form
    582,451.76/873,887.88 = 203,428.28/x
  3. Step 3: Cross multiply
    582,451.76x = 873,887.88 × 203,428.28
  4. Step 4: Simplify right side
    582,451.76x = 177,773,508,341.25
  5. Step 5: Solve for x
    x = 177,773,508,341.25/582,451.76
  6. Step 6: Final answer
    x = 305,215.85

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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.