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Finding the Fourth Proportional to 701.48, 967.65 and 435.83

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Solution

The fourth proportional to 701.48, 967.65 and 435.83 is: 601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.48 : 967.65 = 435.83 : x
  2. Step 2: Convert to fraction form
    701.48/967.65 = 435.83/x
  3. Step 3: Cross multiply
    701.48x = 967.65 × 435.83
  4. Step 4: Simplify right side
    701.48x = 421,730.90
  5. Step 5: Solve for x
    x = 421,730.90/701.48
  6. Step 6: Final answer
    x = 601.21

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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.