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Finding the Fourth Proportional to 883.84, 1,326.36 and 473.17

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Solution

The fourth proportional to 883.84, 1,326.36 and 473.17 is: 710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.84 : 1,326.36 = 473.17 : x
  2. Step 2: Convert to fraction form
    883.84/1,326.36 = 473.17/x
  3. Step 3: Cross multiply
    883.84x = 1,326.36 × 473.17
  4. Step 4: Simplify right side
    883.84x = 627,593.76
  5. Step 5: Solve for x
    x = 627,593.76/883.84
  6. Step 6: Final answer
    x = 710.08

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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.