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Finding the Fourth Proportional to 519,182.00, 778,855.35 and 219,664.83

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Solution

The fourth proportional to 519,182.00, 778,855.35 and 219,664.83 is: 329,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,182.00 : 778,855.35 = 219,664.83 : x
  2. Step 2: Convert to fraction form
    519,182.00/778,855.35 = 219,664.83/x
  3. Step 3: Cross multiply
    519,182.00x = 778,855.35 × 219,664.83
  4. Step 4: Simplify right side
    519,182.00x = 171,087,126,180.12
  5. Step 5: Solve for x
    x = 171,087,126,180.12/519,182.00
  6. Step 6: Final answer
    x = 329,532.08

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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.