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Finding the Fourth Proportional to 260,417.55, 359,296.49 and 169,740.43

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Solution

The fourth proportional to 260,417.55, 359,296.49 and 169,740.43 is: 234,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,417.55 : 359,296.49 = 169,740.43 : x
  2. Step 2: Convert to fraction form
    260,417.55/359,296.49 = 169,740.43/x
  3. Step 3: Cross multiply
    260,417.55x = 359,296.49 × 169,740.43
  4. Step 4: Simplify right side
    260,417.55x = 60,987,141,620.72
  5. Step 5: Solve for x
    x = 60,987,141,620.72/260,417.55
  6. Step 6: Final answer
    x = 234,189.83

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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.