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Finding the Fourth Proportional to 1,244.03, 1,864.37 and 474.11

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Solution

The fourth proportional to 1,244.03, 1,864.37 and 474.11 is: 710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.03 : 1,864.37 = 474.11 : x
  2. Step 2: Convert to fraction form
    1,244.03/1,864.37 = 474.11/x
  3. Step 3: Cross multiply
    1,244.03x = 1,864.37 × 474.11
  4. Step 4: Simplify right side
    1,244.03x = 883,914.09
  5. Step 5: Solve for x
    x = 883,914.09/1,244.03
  6. Step 6: Final answer
    x = 710.52

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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.