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Finding the Fourth Proportional to 313,808.87, 433,056.84 and 170,568.57

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Solution

The fourth proportional to 313,808.87, 433,056.84 and 170,568.57 is: 235,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,808.87 : 433,056.84 = 170,568.57 : x
  2. Step 2: Convert to fraction form
    313,808.87/433,056.84 = 170,568.57/x
  3. Step 3: Cross multiply
    313,808.87x = 433,056.84 × 170,568.57
  4. Step 4: Simplify right side
    313,808.87x = 73,865,885,927.52
  5. Step 5: Solve for x
    x = 73,865,885,927.52/313,808.87
  6. Step 6: Final answer
    x = 235,384.95

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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.