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Finding the Fourth Proportional to 296,350.48, 408,959.46 and 169,028.20

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Solution

The fourth proportional to 296,350.48, 408,959.46 and 169,028.20 is: 233,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,350.48 : 408,959.46 = 169,028.20 : x
  2. Step 2: Convert to fraction form
    296,350.48/408,959.46 = 169,028.20/x
  3. Step 3: Cross multiply
    296,350.48x = 408,959.46 × 169,028.20
  4. Step 4: Simplify right side
    296,350.48x = 69,125,681,396.77
  5. Step 5: Solve for x
    x = 69,125,681,396.77/296,350.48
  6. Step 6: Final answer
    x = 233,256.52

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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.