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Finding the Fourth Proportional to 529.06, 793.47 and 187.06

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Solution

The fourth proportional to 529.06, 793.47 and 187.06 is: 280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.06 : 793.47 = 187.06 : x
  2. Step 2: Convert to fraction form
    529.06/793.47 = 187.06/x
  3. Step 3: Cross multiply
    529.06x = 793.47 × 187.06
  4. Step 4: Simplify right side
    529.06x = 148,426.50
  5. Step 5: Solve for x
    x = 148,426.50/529.06
  6. Step 6: Final answer
    x = 280.55

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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.