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Finding the Fourth Proportional to 623.02, 934.31 and 184.15

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Solution

The fourth proportional to 623.02, 934.31 and 184.15 is: 276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.02 : 934.31 = 184.15 : x
  2. Step 2: Convert to fraction form
    623.02/934.31 = 184.15/x
  3. Step 3: Cross multiply
    623.02x = 934.31 × 184.15
  4. Step 4: Simplify right side
    623.02x = 172,052.86
  5. Step 5: Solve for x
    x = 172,052.86/623.02
  6. Step 6: Final answer
    x = 276.16

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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.