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Finding the Fourth Proportional to 313,017.66, 431,956.53 and 175,194.54

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Solution

The fourth proportional to 313,017.66, 431,956.53 and 175,194.54 is: 241,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,017.66 : 431,956.53 = 175,194.54 : x
  2. Step 2: Convert to fraction form
    313,017.66/431,956.53 = 175,194.54/x
  3. Step 3: Cross multiply
    313,017.66x = 431,956.53 × 175,194.54
  4. Step 4: Simplify right side
    313,017.66x = 75,676,425,573.35
  5. Step 5: Solve for x
    x = 75,676,425,573.35/313,017.66
  6. Step 6: Final answer
    x = 241,764.08

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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.