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Finding the Fourth Proportional to 532.92, 794.72 and 528.06

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Solution

The fourth proportional to 532.92, 794.72 and 528.06 is: 787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.92 : 794.72 = 528.06 : x
  2. Step 2: Convert to fraction form
    532.92/794.72 = 528.06/x
  3. Step 3: Cross multiply
    532.92x = 794.72 × 528.06
  4. Step 4: Simplify right side
    532.92x = 419,657.20
  5. Step 5: Solve for x
    x = 419,657.20/532.92
  6. Step 6: Final answer
    x = 787.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.