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Finding the Fourth Proportional to 535,110.70, 803,054.85 and 219,793.90

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Solution

The fourth proportional to 535,110.70, 803,054.85 and 219,793.90 is: 329,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,110.70 : 803,054.85 = 219,793.90 : x
  2. Step 2: Convert to fraction form
    535,110.70/803,054.85 = 219,793.90/x
  3. Step 3: Cross multiply
    535,110.70x = 803,054.85 × 219,793.90
  4. Step 4: Simplify right side
    535,110.70x = 176,506,557,395.42
  5. Step 5: Solve for x
    x = 176,506,557,395.42/535,110.70
  6. Step 6: Final answer
    x = 329,850.55

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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.