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Finding the Fourth Proportional to 313,422.82, 432,525.12 and 170,182.82

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Solution

The fourth proportional to 313,422.82, 432,525.12 and 170,182.82 is: 234,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,422.82 : 432,525.12 = 170,182.82 : x
  2. Step 2: Convert to fraction form
    313,422.82/432,525.12 = 170,182.82/x
  3. Step 3: Cross multiply
    313,422.82x = 432,525.12 × 170,182.82
  4. Step 4: Simplify right side
    313,422.82x = 73,608,345,085.57
  5. Step 5: Solve for x
    x = 73,608,345,085.57/313,422.82
  6. Step 6: Final answer
    x = 234,853.18

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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.