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Finding the Fourth Proportional to 262,405.80, 393,608.70 and 181,924.20

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Solution

The fourth proportional to 262,405.80, 393,608.70 and 181,924.20 is: 272,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,405.80 : 393,608.70 = 181,924.20 : x
  2. Step 2: Convert to fraction form
    262,405.80/393,608.70 = 181,924.20/x
  3. Step 3: Cross multiply
    262,405.80x = 393,608.70 × 181,924.20
  4. Step 4: Simplify right side
    262,405.80x = 71,606,947,860.54
  5. Step 5: Solve for x
    x = 71,606,947,860.54/262,405.80
  6. Step 6: Final answer
    x = 272,886.30

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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.