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Finding the Fourth Proportional to 531, 797.04 and 369

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Solution

The fourth proportional to 531, 797.04 and 369 is: 553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531 : 797.04 = 369 : x
  2. Step 2: Convert to fraction form
    531/797.04 = 369/x
  3. Step 3: Cross multiply
    531x = 797.04 × 369
  4. Step 4: Simplify right side
    531x = 294,107.76
  5. Step 5: Solve for x
    x = 294,107.76/531
  6. Step 6: Final answer
    x = 553.88

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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.