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Finding the Fourth Proportional to 240,328.92, 360,489.42 and 71,849.64

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Solution

The fourth proportional to 240,328.92, 360,489.42 and 71,849.64 is: 107,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,328.92 : 360,489.42 = 71,849.64 : x
  2. Step 2: Convert to fraction form
    240,328.92/360,489.42 = 71,849.64/x
  3. Step 3: Cross multiply
    240,328.92x = 360,489.42 × 71,849.64
  4. Step 4: Simplify right side
    240,328.92x = 25,901,035,050.81
  5. Step 5: Solve for x
    x = 25,901,035,050.81/240,328.92
  6. Step 6: Final answer
    x = 107,773.28

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1.5x scale

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.