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Finding the Fourth Proportional to 522.39, 783.60 and 175.66

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Solution

The fourth proportional to 522.39, 783.60 and 175.66 is: 263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.39 : 783.60 = 175.66 : x
  2. Step 2: Convert to fraction form
    522.39/783.60 = 175.66/x
  3. Step 3: Cross multiply
    522.39x = 783.60 × 175.66
  4. Step 4: Simplify right side
    522.39x = 137,647.18
  5. Step 5: Solve for x
    x = 137,647.18/522.39
  6. Step 6: Final answer
    x = 263.50

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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.