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Finding the Fourth Proportional to 313,601.94, 432,774.36 and 170,364.24

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Solution

The fourth proportional to 313,601.94, 432,774.36 and 170,364.24 is: 235,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,601.94 : 432,774.36 = 170,364.24 : x
  2. Step 2: Convert to fraction form
    313,601.94/432,774.36 = 170,364.24/x
  3. Step 3: Cross multiply
    313,601.94x = 432,774.36 × 170,364.24
  4. Step 4: Simplify right side
    313,601.94x = 73,729,274,932.89
  5. Step 5: Solve for x
    x = 73,729,274,932.89/313,601.94
  6. Step 6: Final answer
    x = 235,104.65

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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.