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Finding the Fourth Proportional to 442,346.27, 610,419.95 and 270,551.95

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Solution

The fourth proportional to 442,346.27, 610,419.95 and 270,551.95 is: 373,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,346.27 : 610,419.95 = 270,551.95 : x
  2. Step 2: Convert to fraction form
    442,346.27/610,419.95 = 270,551.95/x
  3. Step 3: Cross multiply
    442,346.27x = 610,419.95 × 270,551.95
  4. Step 4: Simplify right side
    442,346.27x = 165,150,305,927.16
  5. Step 5: Solve for x
    x = 165,150,305,927.16/442,346.27
  6. Step 6: Final answer
    x = 373,350.74

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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.