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Finding the Fourth Proportional to 532.03, 798.13 and 271.89

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Solution

The fourth proportional to 532.03, 798.13 and 271.89 is: 407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.03 : 798.13 = 271.89 : x
  2. Step 2: Convert to fraction form
    532.03/798.13 = 271.89/x
  3. Step 3: Cross multiply
    532.03x = 798.13 × 271.89
  4. Step 4: Simplify right side
    532.03x = 216,999.71
  5. Step 5: Solve for x
    x = 216,999.71/532.03
  6. Step 6: Final answer
    x = 407.87

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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.