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Finding the Fourth Proportional to 465.68, 695.98 and 368.48

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Solution

The fourth proportional to 465.68, 695.98 and 368.48 is: 550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.68 : 695.98 = 368.48 : x
  2. Step 2: Convert to fraction form
    465.68/695.98 = 368.48/x
  3. Step 3: Cross multiply
    465.68x = 695.98 × 368.48
  4. Step 4: Simplify right side
    465.68x = 256,454.71
  5. Step 5: Solve for x
    x = 256,454.71/465.68
  6. Step 6: Final answer
    x = 550.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.