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Finding the Fourth Proportional to 324,655.40, 448,015.85 and 181,416.62

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Solution

The fourth proportional to 324,655.40, 448,015.85 and 181,416.62 is: 250,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,655.40 : 448,015.85 = 181,416.62 : x
  2. Step 2: Convert to fraction form
    324,655.40/448,015.85 = 181,416.62/x
  3. Step 3: Cross multiply
    324,655.40x = 448,015.85 × 181,416.62
  4. Step 4: Simplify right side
    324,655.40x = 81,277,520,306.34
  5. Step 5: Solve for x
    x = 81,277,520,306.34/324,655.40
  6. Step 6: Final answer
    x = 250,350.13

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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.