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Finding the Fourth Proportional to 234,786.71, 323,805.84 and 180,470.51

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Solution

The fourth proportional to 234,786.71, 323,805.84 and 180,470.51 is: 248,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,786.71 : 323,805.84 = 180,470.51 : x
  2. Step 2: Convert to fraction form
    234,786.71/323,805.84 = 180,470.51/x
  3. Step 3: Cross multiply
    234,786.71x = 323,805.84 × 180,470.51
  4. Step 4: Simplify right side
    234,786.71x = 58,437,405,895.29
  5. Step 5: Solve for x
    x = 58,437,405,895.29/234,786.71
  6. Step 6: Final answer
    x = 248,895.72

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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.