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Finding the Fourth Proportional to 554.74, 832.32 and 230.02

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Solution

The fourth proportional to 554.74, 832.32 and 230.02 is: 345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.74 : 832.32 = 230.02 : x
  2. Step 2: Convert to fraction form
    554.74/832.32 = 230.02/x
  3. Step 3: Cross multiply
    554.74x = 832.32 × 230.02
  4. Step 4: Simplify right side
    554.74x = 191,450.25
  5. Step 5: Solve for x
    x = 191,450.25/554.74
  6. Step 6: Final answer
    x = 345.12

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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.