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Finding the Fourth Proportional to 465.48, 696.60 and 356.04

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Solution

The fourth proportional to 465.48, 696.60 and 356.04 is: 532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.48 : 696.60 = 356.04 : x
  2. Step 2: Convert to fraction form
    465.48/696.60 = 356.04/x
  3. Step 3: Cross multiply
    465.48x = 696.60 × 356.04
  4. Step 4: Simplify right side
    465.48x = 248,017.46
  5. Step 5: Solve for x
    x = 248,017.46/465.48
  6. Step 6: Final answer
    x = 532.82

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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.