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Finding the Fourth Proportional to 441,047.16, 608,987.88 and 338,911.65

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Solution

The fourth proportional to 441,047.16, 608,987.88 and 338,911.65 is: 467,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,047.16 : 608,987.88 = 338,911.65 : x
  2. Step 2: Convert to fraction form
    441,047.16/608,987.88 = 338,911.65/x
  3. Step 3: Cross multiply
    441,047.16x = 608,987.88 × 338,911.65
  4. Step 4: Simplify right side
    441,047.16x = 206,393,087,240.80
  5. Step 5: Solve for x
    x = 206,393,087,240.80/441,047.16
  6. Step 6: Final answer
    x = 467,961.49

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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.