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Finding the Fourth Proportional to 363,292.80, 544,939.20 and 186,145.80

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Solution

The fourth proportional to 363,292.80, 544,939.20 and 186,145.80 is: 279,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,292.80 : 544,939.20 = 186,145.80 : x
  2. Step 2: Convert to fraction form
    363,292.80/544,939.20 = 186,145.80/x
  3. Step 3: Cross multiply
    363,292.80x = 544,939.20 × 186,145.80
  4. Step 4: Simplify right side
    363,292.80x = 101,438,143,335.36
  5. Step 5: Solve for x
    x = 101,438,143,335.36/363,292.80
  6. Step 6: Final answer
    x = 279,218.70

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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.