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Finding the Fourth Proportional to 802.14, 1,106.94 and 452.84

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Solution

The fourth proportional to 802.14, 1,106.94 and 452.84 is: 624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.14 : 1,106.94 = 452.84 : x
  2. Step 2: Convert to fraction form
    802.14/1,106.94 = 452.84/x
  3. Step 3: Cross multiply
    802.14x = 1,106.94 × 452.84
  4. Step 4: Simplify right side
    802.14x = 501,261.17
  5. Step 5: Solve for x
    x = 501,261.17/802.14
  6. Step 6: Final answer
    x = 624.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.