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Finding the Fourth Proportional to 441,406.80, 662,110.20 and 231,109.20

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Solution

The fourth proportional to 441,406.80, 662,110.20 and 231,109.20 is: 346,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,406.80 : 662,110.20 = 231,109.20 : x
  2. Step 2: Convert to fraction form
    441,406.80/662,110.20 = 231,109.20/x
  3. Step 3: Cross multiply
    441,406.80x = 662,110.20 × 231,109.20
  4. Step 4: Simplify right side
    441,406.80x = 153,019,758,633.84
  5. Step 5: Solve for x
    x = 153,019,758,633.84/441,406.80
  6. Step 6: Final answer
    x = 346,663.80

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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.