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Finding the Fourth Proportional to 1,164.48, 1,747.23 and 472.50

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Solution

The fourth proportional to 1,164.48, 1,747.23 and 472.50 is: 708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.48 : 1,747.23 = 472.50 : x
  2. Step 2: Convert to fraction form
    1,164.48/1,747.23 = 472.50/x
  3. Step 3: Cross multiply
    1,164.48x = 1,747.23 × 472.50
  4. Step 4: Simplify right side
    1,164.48x = 825,566.18
  5. Step 5: Solve for x
    x = 825,566.18/1,164.48
  6. Step 6: Final answer
    x = 708.96

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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.