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Finding the Fourth Proportional to 999.84, 1,495.92 and 567.36

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Solution

The fourth proportional to 999.84, 1,495.92 and 567.36 is: 848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.84 : 1,495.92 = 567.36 : x
  2. Step 2: Convert to fraction form
    999.84/1,495.92 = 567.36/x
  3. Step 3: Cross multiply
    999.84x = 1,495.92 × 567.36
  4. Step 4: Simplify right side
    999.84x = 848,725.17
  5. Step 5: Solve for x
    x = 848,725.17/999.84
  6. Step 6: Final answer
    x = 848.86

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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.