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Finding the Fourth Proportional to 534,801.56, 802,185.87 and 219,020.63

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Solution

The fourth proportional to 534,801.56, 802,185.87 and 219,020.63 is: 328,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,801.56 : 802,185.87 = 219,020.63 : x
  2. Step 2: Convert to fraction form
    534,801.56/802,185.87 = 219,020.63/x
  3. Step 3: Cross multiply
    534,801.56x = 802,185.87 × 219,020.63
  4. Step 4: Simplify right side
    534,801.56x = 175,695,254,624.50
  5. Step 5: Solve for x
    x = 175,695,254,624.50/534,801.56
  6. Step 6: Final answer
    x = 328,524.20

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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.