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Finding the Fourth Proportional to 522.80, 783.72 and 234.08

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Solution

The fourth proportional to 522.80, 783.72 and 234.08 is: 350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.80 : 783.72 = 234.08 : x
  2. Step 2: Convert to fraction form
    522.80/783.72 = 234.08/x
  3. Step 3: Cross multiply
    522.80x = 783.72 × 234.08
  4. Step 4: Simplify right side
    522.80x = 183,453.18
  5. Step 5: Solve for x
    x = 183,453.18/522.80
  6. Step 6: Final answer
    x = 350.91

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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.