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Finding the Fourth Proportional to 303,799.52, 455,302.92 and 219,842.48

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Solution

The fourth proportional to 303,799.52, 455,302.92 and 219,842.48 is: 329,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,799.52 : 455,302.92 = 219,842.48 : x
  2. Step 2: Convert to fraction form
    303,799.52/455,302.92 = 219,842.48/x
  3. Step 3: Cross multiply
    303,799.52x = 455,302.92 × 219,842.48
  4. Step 4: Simplify right side
    303,799.52x = 100,094,923,084.04
  5. Step 5: Solve for x
    x = 100,094,923,084.04/303,799.52
  6. Step 6: Final answer
    x = 329,476.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.