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Finding the Fourth Proportional to 314,227.47, 433,626.84 and 170,987.88

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Solution

The fourth proportional to 314,227.47, 433,626.84 and 170,987.88 is: 235,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,227.47 : 433,626.84 = 170,987.88 : x
  2. Step 2: Convert to fraction form
    314,227.47/433,626.84 = 170,987.88/x
  3. Step 3: Cross multiply
    314,227.47x = 433,626.84 × 170,987.88
  4. Step 4: Simplify right side
    314,227.47x = 74,144,934,082.70
  5. Step 5: Solve for x
    x = 74,144,934,082.70/314,227.47
  6. Step 6: Final answer
    x = 235,959.43

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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.