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Finding the Fourth Proportional to 841.48, 1,161.54 and 594.04

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Solution

The fourth proportional to 841.48, 1,161.54 and 594.04 is: 819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.48 : 1,161.54 = 594.04 : x
  2. Step 2: Convert to fraction form
    841.48/1,161.54 = 594.04/x
  3. Step 3: Cross multiply
    841.48x = 1,161.54 × 594.04
  4. Step 4: Simplify right side
    841.48x = 690,001.22
  5. Step 5: Solve for x
    x = 690,001.22/841.48
  6. Step 6: Final answer
    x = 819.99

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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.