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Finding the Fourth Proportional to 848.27, 1,170.15 and 700.04

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Solution

The fourth proportional to 848.27, 1,170.15 and 700.04 is: 965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.27 : 1,170.15 = 700.04 : x
  2. Step 2: Convert to fraction form
    848.27/1,170.15 = 700.04/x
  3. Step 3: Cross multiply
    848.27x = 1,170.15 × 700.04
  4. Step 4: Simplify right side
    848.27x = 819,151.81
  5. Step 5: Solve for x
    x = 819,151.81/848.27
  6. Step 6: Final answer
    x = 965.67

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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.