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Finding the Fourth Proportional to 260,906.56, 360,271.68 and 165,582.40

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Solution

The fourth proportional to 260,906.56, 360,271.68 and 165,582.40 is: 228,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,906.56 : 360,271.68 = 165,582.40 : x
  2. Step 2: Convert to fraction form
    260,906.56/360,271.68 = 165,582.40/x
  3. Step 3: Cross multiply
    260,906.56x = 360,271.68 × 165,582.40
  4. Step 4: Simplify right side
    260,906.56x = 59,654,649,426.43
  5. Step 5: Solve for x
    x = 59,654,649,426.43/260,906.56
  6. Step 6: Final answer
    x = 228,643.73

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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.