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Finding the Fourth Proportional to 650,622.92, 897,887.69 and 360,234.48

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Solution

The fourth proportional to 650,622.92, 897,887.69 and 360,234.48 is: 497,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,622.92 : 897,887.69 = 360,234.48 : x
  2. Step 2: Convert to fraction form
    650,622.92/897,887.69 = 360,234.48/x
  3. Step 3: Cross multiply
    650,622.92x = 897,887.69 × 360,234.48
  4. Step 4: Simplify right side
    650,622.92x = 323,450,105,105.55
  5. Step 5: Solve for x
    x = 323,450,105,105.55/650,622.92
  6. Step 6: Final answer
    x = 497,139.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.