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Finding the Fourth Proportional to 370,442.20, 555,944.40 and 244,039.30

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Solution

The fourth proportional to 370,442.20, 555,944.40 and 244,039.30 is: 366,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,442.20 : 555,944.40 = 244,039.30 : x
  2. Step 2: Convert to fraction form
    370,442.20/555,944.40 = 244,039.30/x
  3. Step 3: Cross multiply
    370,442.20x = 555,944.40 × 244,039.30
  4. Step 4: Simplify right side
    370,442.20x = 135,672,282,214.92
  5. Step 5: Solve for x
    x = 135,672,282,214.92/370,442.20
  6. Step 6: Final answer
    x = 366,244.13

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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.