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Finding the Fourth Proportional to 598,074.52, 825,336.30 and 326,141.56

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Solution

The fourth proportional to 598,074.52, 825,336.30 and 326,141.56 is: 450,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,074.52 : 825,336.30 = 326,141.56 : x
  2. Step 2: Convert to fraction form
    598,074.52/825,336.30 = 326,141.56/x
  3. Step 3: Cross multiply
    598,074.52x = 825,336.30 × 326,141.56
  4. Step 4: Simplify right side
    598,074.52x = 269,176,468,406.63
  5. Step 5: Solve for x
    x = 269,176,468,406.63/598,074.52
  6. Step 6: Final answer
    x = 450,071.79

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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.