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Finding the Fourth Proportional to 260,503.65, 359,514.39 and 145,793.82

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Solution

The fourth proportional to 260,503.65, 359,514.39 and 145,793.82 is: 201,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,503.65 : 359,514.39 = 145,793.82 : x
  2. Step 2: Convert to fraction form
    260,503.65/359,514.39 = 145,793.82/x
  3. Step 3: Cross multiply
    260,503.65x = 359,514.39 × 145,793.82
  4. Step 4: Simplify right side
    260,503.65x = 52,414,974,465.50
  5. Step 5: Solve for x
    x = 52,414,974,465.50/260,503.65
  6. Step 6: Final answer
    x = 201,206.29

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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.