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Finding the Fourth Proportional to 313,272.55, 432,304.53 and 170,029.52

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Solution

The fourth proportional to 313,272.55, 432,304.53 and 170,029.52 is: 234,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,272.55 : 432,304.53 = 170,029.52 : x
  2. Step 2: Convert to fraction form
    313,272.55/432,304.53 = 170,029.52/x
  3. Step 3: Cross multiply
    313,272.55x = 432,304.53 × 170,029.52
  4. Step 4: Simplify right side
    313,272.55x = 73,504,529,568.20
  5. Step 5: Solve for x
    x = 73,504,529,568.20/313,272.55
  6. Step 6: Final answer
    x = 234,634.44

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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.