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Finding the Fourth Proportional to 432.67, 597.08 and 258

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Solution

The fourth proportional to 432.67, 597.08 and 258 is: 356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.67 : 597.08 = 258 : x
  2. Step 2: Convert to fraction form
    432.67/597.08 = 258/x
  3. Step 3: Cross multiply
    432.67x = 597.08 × 258
  4. Step 4: Simplify right side
    432.67x = 154,047.29
  5. Step 5: Solve for x
    x = 154,047.29/432.67
  6. Step 6: Final answer
    x = 356.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.