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Finding the Fourth Proportional to 232,108.80, 348,422.40 and 216,880.80

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Solution

The fourth proportional to 232,108.80, 348,422.40 and 216,880.80 is: 325,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,108.80 : 348,422.40 = 216,880.80 : x
  2. Step 2: Convert to fraction form
    232,108.80/348,422.40 = 216,880.80/x
  3. Step 3: Cross multiply
    232,108.80x = 348,422.40 × 216,880.80
  4. Step 4: Simplify right side
    232,108.80x = 75,566,128,849.92
  5. Step 5: Solve for x
    x = 75,566,128,849.92/232,108.80
  6. Step 6: Final answer
    x = 325,563.39

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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.