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Finding the Fourth Proportional to 1,103.98, 1,523.45 and 606.62

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Solution

The fourth proportional to 1,103.98, 1,523.45 and 606.62 is: 837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.98 : 1,523.45 = 606.62 : x
  2. Step 2: Convert to fraction form
    1,103.98/1,523.45 = 606.62/x
  3. Step 3: Cross multiply
    1,103.98x = 1,523.45 × 606.62
  4. Step 4: Simplify right side
    1,103.98x = 924,155.24
  5. Step 5: Solve for x
    x = 924,155.24/1,103.98
  6. Step 6: Final answer
    x = 837.11

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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.