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Finding the Fourth Proportional to 324,188.68, 486,346.04 and 124,494.38

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Solution

The fourth proportional to 324,188.68, 486,346.04 and 124,494.38 is: 186,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,188.68 : 486,346.04 = 124,494.38 : x
  2. Step 2: Convert to fraction form
    324,188.68/486,346.04 = 124,494.38/x
  3. Step 3: Cross multiply
    324,188.68x = 486,346.04 × 124,494.38
  4. Step 4: Simplify right side
    324,188.68x = 60,547,348,715.26
  5. Step 5: Solve for x
    x = 60,547,348,715.26/324,188.68
  6. Step 6: Final answer
    x = 186,765.77

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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.