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Finding the Fourth Proportional to 316,863.83, 437,282.25 and 173,632.97

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Solution

The fourth proportional to 316,863.83, 437,282.25 and 173,632.97 is: 239,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,863.83 : 437,282.25 = 173,632.97 : x
  2. Step 2: Convert to fraction form
    316,863.83/437,282.25 = 173,632.97/x
  3. Step 3: Cross multiply
    316,863.83x = 437,282.25 × 173,632.97
  4. Step 4: Simplify right side
    316,863.83x = 75,926,615,795.78
  5. Step 5: Solve for x
    x = 75,926,615,795.78/316,863.83
  6. Step 6: Final answer
    x = 239,619.07

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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.