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Finding the Fourth Proportional to 848.48, 1,171.20 and 601.04

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Solution

The fourth proportional to 848.48, 1,171.20 and 601.04 is: 829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.48 : 1,171.20 = 601.04 : x
  2. Step 2: Convert to fraction form
    848.48/1,171.20 = 601.04/x
  3. Step 3: Cross multiply
    848.48x = 1,171.20 × 601.04
  4. Step 4: Simplify right side
    848.48x = 703,938.05
  5. Step 5: Solve for x
    x = 703,938.05/848.48
  6. Step 6: Final answer
    x = 829.65

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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.