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Finding the Fourth Proportional to 883.91, 1,326.95 and 587.67

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Solution

The fourth proportional to 883.91, 1,326.95 and 587.67 is: 882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.91 : 1,326.95 = 587.67 : x
  2. Step 2: Convert to fraction form
    883.91/1,326.95 = 587.67/x
  3. Step 3: Cross multiply
    883.91x = 1,326.95 × 587.67
  4. Step 4: Simplify right side
    883.91x = 779,805.77
  5. Step 5: Solve for x
    x = 779,805.77/883.91
  6. Step 6: Final answer
    x = 882.23

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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.