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Finding the Fourth Proportional to 332.75, 497.95 and 291.51

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Solution

The fourth proportional to 332.75, 497.95 and 291.51 is: 436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.75 : 497.95 = 291.51 : x
  2. Step 2: Convert to fraction form
    332.75/497.95 = 291.51/x
  3. Step 3: Cross multiply
    332.75x = 497.95 × 291.51
  4. Step 4: Simplify right side
    332.75x = 145,156.68
  5. Step 5: Solve for x
    x = 145,156.68/332.75
  6. Step 6: Final answer
    x = 436.23

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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.