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Finding the Fourth Proportional to 313,882.44, 433,160.51 and 170,642.58

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Solution

The fourth proportional to 313,882.44, 433,160.51 and 170,642.58 is: 235,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,882.44 : 433,160.51 = 170,642.58 : x
  2. Step 2: Convert to fraction form
    313,882.44/433,160.51 = 170,642.58/x
  3. Step 3: Cross multiply
    313,882.44x = 433,160.51 × 170,642.58
  4. Step 4: Simplify right side
    313,882.44x = 73,915,626,127.30
  5. Step 5: Solve for x
    x = 73,915,626,127.30/313,882.44
  6. Step 6: Final answer
    x = 235,488.25

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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.