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Finding the Fourth Proportional to 232,085.80, 348,387.90 and 216,857.80

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Solution

The fourth proportional to 232,085.80, 348,387.90 and 216,857.80 is: 325,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,085.80 : 348,387.90 = 216,857.80 : x
  2. Step 2: Convert to fraction form
    232,085.80/348,387.90 = 216,857.80/x
  3. Step 3: Cross multiply
    232,085.80x = 348,387.90 × 216,857.80
  4. Step 4: Simplify right side
    232,085.80x = 75,550,633,540.62
  5. Step 5: Solve for x
    x = 75,550,633,540.62/232,085.80
  6. Step 6: Final answer
    x = 325,528.89

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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.