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Finding the Fourth Proportional to 531.97, 794.41 and 488.84

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Solution

The fourth proportional to 531.97, 794.41 and 488.84 is: 730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.97 : 794.41 = 488.84 : x
  2. Step 2: Convert to fraction form
    531.97/794.41 = 488.84/x
  3. Step 3: Cross multiply
    531.97x = 794.41 × 488.84
  4. Step 4: Simplify right side
    531.97x = 388,334.19
  5. Step 5: Solve for x
    x = 388,334.19/531.97
  6. Step 6: Final answer
    x = 730.00

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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.