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Finding the Fourth Proportional to 313,765.87, 433,000.25 and 170,525.92

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Solution

The fourth proportional to 313,765.87, 433,000.25 and 170,525.92 is: 235,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,765.87 : 433,000.25 = 170,525.92 : x
  2. Step 2: Convert to fraction form
    313,765.87/433,000.25 = 170,525.92/x
  3. Step 3: Cross multiply
    313,765.87x = 433,000.25 × 170,525.92
  4. Step 4: Simplify right side
    313,765.87x = 73,837,765,991.48
  5. Step 5: Solve for x
    x = 73,837,765,991.48/313,765.87
  6. Step 6: Final answer
    x = 235,327.59

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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.