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Finding the Fourth Proportional to 618,560.15, 927,987.84 and 219,235.82

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Solution

The fourth proportional to 618,560.15, 927,987.84 and 219,235.82 is: 328,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,560.15 : 927,987.84 = 219,235.82 : x
  2. Step 2: Convert to fraction form
    618,560.15/927,987.84 = 219,235.82/x
  3. Step 3: Cross multiply
    618,560.15x = 927,987.84 × 219,235.82
  4. Step 4: Simplify right side
    618,560.15x = 203,448,170,412.49
  5. Step 5: Solve for x
    x = 203,448,170,412.49/618,560.15
  6. Step 6: Final answer
    x = 328,906.04

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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.