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Finding the Fourth Proportional to 233,453.52, 347,959.53 and 220,166.28

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Solution

The fourth proportional to 233,453.52, 347,959.53 and 220,166.28 is: 328,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,453.52 : 347,959.53 = 220,166.28 : x
  2. Step 2: Convert to fraction form
    233,453.52/347,959.53 = 220,166.28/x
  3. Step 3: Cross multiply
    233,453.52x = 347,959.53 × 220,166.28
  4. Step 4: Simplify right side
    233,453.52x = 76,608,955,310.65
  5. Step 5: Solve for x
    x = 76,608,955,310.65/233,453.52
  6. Step 6: Final answer
    x = 328,155.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.