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Finding the Fourth Proportional to 235,304.69, 324,722.50 and 127,874.70

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Solution

The fourth proportional to 235,304.69, 324,722.50 and 127,874.70 is: 176,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,304.69 : 324,722.50 = 127,874.70 : x
  2. Step 2: Convert to fraction form
    235,304.69/324,722.50 = 127,874.70/x
  3. Step 3: Cross multiply
    235,304.69x = 324,722.50 × 127,874.70
  4. Step 4: Simplify right side
    235,304.69x = 41,523,790,647.14
  5. Step 5: Solve for x
    x = 41,523,790,647.14/235,304.69
  6. Step 6: Final answer
    x = 176,468.18

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1.5x scale

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.