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Finding the Fourth Proportional to 464,403.96, 696,606.66 and 127,449.18

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Solution

The fourth proportional to 464,403.96, 696,606.66 and 127,449.18 is: 191,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,403.96 : 696,606.66 = 127,449.18 : x
  2. Step 2: Convert to fraction form
    464,403.96/696,606.66 = 127,449.18/x
  3. Step 3: Cross multiply
    464,403.96x = 696,606.66 × 127,449.18
  4. Step 4: Simplify right side
    464,403.96x = 88,781,947,599.54
  5. Step 5: Solve for x
    x = 88,781,947,599.54/464,403.96
  6. Step 6: Final answer
    x = 191,173.97

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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.