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Finding the Fourth Proportional to 535,894.66, 803,859 and 269,509.56

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Solution

The fourth proportional to 535,894.66, 803,859 and 269,509.56 is: 404,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,894.66 : 803,859 = 269,509.56 : x
  2. Step 2: Convert to fraction form
    535,894.66/803,859 = 269,509.56/x
  3. Step 3: Cross multiply
    535,894.66x = 803,859 × 269,509.56
  4. Step 4: Simplify right side
    535,894.66x = 216,647,685,392.04
  5. Step 5: Solve for x
    x = 216,647,685,392.04/535,894.66
  6. Step 6: Final answer
    x = 404,272.89

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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.