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Finding the Fourth Proportional to 884.61, 1,326.33 and 473.94

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Solution

The fourth proportional to 884.61, 1,326.33 and 473.94 is: 710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.61 : 1,326.33 = 473.94 : x
  2. Step 2: Convert to fraction form
    884.61/1,326.33 = 473.94/x
  3. Step 3: Cross multiply
    884.61x = 1,326.33 × 473.94
  4. Step 4: Simplify right side
    884.61x = 628,600.84
  5. Step 5: Solve for x
    x = 628,600.84/884.61
  6. Step 6: Final answer
    x = 710.60

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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.