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Finding the Fourth Proportional to 313,191.42, 469,728.09 and 88,550.07

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Solution

The fourth proportional to 313,191.42, 469,728.09 and 88,550.07 is: 132,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,191.42 : 469,728.09 = 88,550.07 : x
  2. Step 2: Convert to fraction form
    313,191.42/469,728.09 = 88,550.07/x
  3. Step 3: Cross multiply
    313,191.42x = 469,728.09 × 88,550.07
  4. Step 4: Simplify right side
    313,191.42x = 41,594,455,250.47
  5. Step 5: Solve for x
    x = 41,594,455,250.47/313,191.42
  6. Step 6: Final answer
    x = 132,808.41

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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.