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Finding the Fourth Proportional to 532,181.70, 798,506.33 and 279,403.47

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Solution

The fourth proportional to 532,181.70, 798,506.33 and 279,403.47 is: 419,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,181.70 : 798,506.33 = 279,403.47 : x
  2. Step 2: Convert to fraction form
    532,181.70/798,506.33 = 279,403.47/x
  3. Step 3: Cross multiply
    532,181.70x = 798,506.33 × 279,403.47
  4. Step 4: Simplify right side
    532,181.70x = 223,105,438,021.95
  5. Step 5: Solve for x
    x = 223,105,438,021.95/532,181.70
  6. Step 6: Final answer
    x = 419,227.94

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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.