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Finding the Fourth Proportional to 339,449.61, 468,448.72 and 186,497.71

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Solution

The fourth proportional to 339,449.61, 468,448.72 and 186,497.71 is: 257,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,449.61 : 468,448.72 = 186,497.71 : x
  2. Step 2: Convert to fraction form
    339,449.61/468,448.72 = 186,497.71/x
  3. Step 3: Cross multiply
    339,449.61x = 468,448.72 × 186,497.71
  4. Step 4: Simplify right side
    339,449.61x = 87,364,614,351.11
  5. Step 5: Solve for x
    x = 87,364,614,351.11/339,449.61
  6. Step 6: Final answer
    x = 257,371.38

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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.