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Finding the Fourth Proportional to 313,937.66, 433,230.82 and 170,697.71

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Solution

The fourth proportional to 313,937.66, 433,230.82 and 170,697.71 is: 235,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,937.66 : 433,230.82 = 170,697.71 : x
  2. Step 2: Convert to fraction form
    313,937.66/433,230.82 = 170,697.71/x
  3. Step 3: Cross multiply
    313,937.66x = 433,230.82 × 170,697.71
  4. Step 4: Simplify right side
    313,937.66x = 73,951,506,282.52
  5. Step 5: Solve for x
    x = 73,951,506,282.52/313,937.66
  6. Step 6: Final answer
    x = 235,561.12

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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.