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Finding the Fourth Proportional to 532, 798.16 and 300.56

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Solution

The fourth proportional to 532, 798.16 and 300.56 is: 450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532 : 798.16 = 300.56 : x
  2. Step 2: Convert to fraction form
    532/798.16 = 300.56/x
  3. Step 3: Cross multiply
    532x = 798.16 × 300.56
  4. Step 4: Simplify right side
    532x = 239,894.97
  5. Step 5: Solve for x
    x = 239,894.97/532
  6. Step 6: Final answer
    x = 450.93

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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.