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Finding the Fourth Proportional to 358.78, 537.76 and 175.77

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Solution

The fourth proportional to 358.78, 537.76 and 175.77 is: 263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.78 : 537.76 = 175.77 : x
  2. Step 2: Convert to fraction form
    358.78/537.76 = 175.77/x
  3. Step 3: Cross multiply
    358.78x = 537.76 × 175.77
  4. Step 4: Simplify right side
    358.78x = 94,522.08
  5. Step 5: Solve for x
    x = 94,522.08/358.78
  6. Step 6: Final answer
    x = 263.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.