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Finding the Fourth Proportional to 298,250.92, 411,603.30 and 170,947.72

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Solution

The fourth proportional to 298,250.92, 411,603.30 and 170,947.72 is: 235,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,250.92 : 411,603.30 = 170,947.72 : x
  2. Step 2: Convert to fraction form
    298,250.92/411,603.30 = 170,947.72/x
  3. Step 3: Cross multiply
    298,250.92x = 411,603.30 × 170,947.72
  4. Step 4: Simplify right side
    298,250.92x = 70,362,645,679.48
  5. Step 5: Solve for x
    x = 70,362,645,679.48/298,250.92
  6. Step 6: Final answer
    x = 235,917.61

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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.