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Finding the Fourth Proportional to 244,987.47, 338,074.16 and 149,653.71

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Solution

The fourth proportional to 244,987.47, 338,074.16 and 149,653.71 is: 206,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,987.47 : 338,074.16 = 149,653.71 : x
  2. Step 2: Convert to fraction form
    244,987.47/338,074.16 = 149,653.71/x
  3. Step 3: Cross multiply
    244,987.47x = 338,074.16 × 149,653.71
  4. Step 4: Simplify right side
    244,987.47x = 50,594,051,550.87
  5. Step 5: Solve for x
    x = 50,594,051,550.87/244,987.47
  6. Step 6: Final answer
    x = 206,516.89

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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.