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Finding the Fourth Proportional to 260,353.65, 359,185.31 and 163,500.54

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Solution

The fourth proportional to 260,353.65, 359,185.31 and 163,500.54 is: 225,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,353.65 : 359,185.31 = 163,500.54 : x
  2. Step 2: Convert to fraction form
    260,353.65/359,185.31 = 163,500.54/x
  3. Step 3: Cross multiply
    260,353.65x = 359,185.31 × 163,500.54
  4. Step 4: Simplify right side
    260,353.65x = 58,726,992,145.07
  5. Step 5: Solve for x
    x = 58,726,992,145.07/260,353.65
  6. Step 6: Final answer
    x = 225,566.23

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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.