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Finding the Fourth Proportional to 313,015.86, 469,527.44 and 88,381.80

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Solution

The fourth proportional to 313,015.86, 469,527.44 and 88,381.80 is: 132,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,015.86 : 469,527.44 = 88,381.80 : x
  2. Step 2: Convert to fraction form
    313,015.86/469,527.44 = 88,381.80/x
  3. Step 3: Cross multiply
    313,015.86x = 469,527.44 × 88,381.80
  4. Step 4: Simplify right side
    313,015.86x = 41,497,679,854.68
  5. Step 5: Solve for x
    x = 41,497,679,854.68/313,015.86
  6. Step 6: Final answer
    x = 132,573.73

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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.