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Finding the Fourth Proportional to 324,034.82, 486,050.88 and 87,401.42

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Solution

The fourth proportional to 324,034.82, 486,050.88 and 87,401.42 is: 131,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,034.82 : 486,050.88 = 87,401.42 : x
  2. Step 2: Convert to fraction form
    324,034.82/486,050.88 = 87,401.42/x
  3. Step 3: Cross multiply
    324,034.82x = 486,050.88 × 87,401.42
  4. Step 4: Simplify right side
    324,034.82x = 42,481,537,104.25
  5. Step 5: Solve for x
    x = 42,481,537,104.25/324,034.82
  6. Step 6: Final answer
    x = 131,101.77

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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.