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Finding the Fourth Proportional to 535,566.44, 803,310.62 and 219,937.64

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Solution

The fourth proportional to 535,566.44, 803,310.62 and 219,937.64 is: 329,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,566.44 : 803,310.62 = 219,937.64 : x
  2. Step 2: Convert to fraction form
    535,566.44/803,310.62 = 219,937.64/x
  3. Step 3: Cross multiply
    535,566.44x = 803,310.62 × 219,937.64
  4. Step 4: Simplify right side
    535,566.44x = 176,678,241,949.74
  5. Step 5: Solve for x
    x = 176,678,241,949.74/535,566.44
  6. Step 6: Final answer
    x = 329,890.43

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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.