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Finding the Fourth Proportional to 441,386.89, 662,086.49 and 125,843.80

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Solution

The fourth proportional to 441,386.89, 662,086.49 and 125,843.80 is: 188,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,386.89 : 662,086.49 = 125,843.80 : x
  2. Step 2: Convert to fraction form
    441,386.89/662,086.49 = 125,843.80/x
  3. Step 3: Cross multiply
    441,386.89x = 662,086.49 × 125,843.80
  4. Step 4: Simplify right side
    441,386.89x = 83,319,478,175.05
  5. Step 5: Solve for x
    x = 83,319,478,175.05/441,386.89
  6. Step 6: Final answer
    x = 188,767.45

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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.