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Finding the Fourth Proportional to 338,841.12, 467,588.88 and 187,952.16

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Solution

The fourth proportional to 338,841.12, 467,588.88 and 187,952.16 is: 259,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,841.12 : 467,588.88 = 187,952.16 : x
  2. Step 2: Convert to fraction form
    338,841.12/467,588.88 = 187,952.16/x
  3. Step 3: Cross multiply
    338,841.12x = 467,588.88 × 187,952.16
  4. Step 4: Simplify right side
    338,841.12x = 87,884,339,987.98
  5. Step 5: Solve for x
    x = 87,884,339,987.98/338,841.12
  6. Step 6: Final answer
    x = 259,367.40

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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.