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Finding the Fourth Proportional to 313,604.32, 432,777.64 and 170,366.62

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Solution

The fourth proportional to 313,604.32, 432,777.64 and 170,366.62 is: 235,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,604.32 : 432,777.64 = 170,366.62 : x
  2. Step 2: Convert to fraction form
    313,604.32/432,777.64 = 170,366.62/x
  3. Step 3: Cross multiply
    313,604.32x = 432,777.64 × 170,366.62
  4. Step 4: Simplify right side
    313,604.32x = 73,730,863,738.38
  5. Step 5: Solve for x
    x = 73,730,863,738.38/313,604.32
  6. Step 6: Final answer
    x = 235,107.93

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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.