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Finding the Fourth Proportional to 671.32, 924.21 and 583.95

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Solution

The fourth proportional to 671.32, 924.21 and 583.95 is: 803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.32 : 924.21 = 583.95 : x
  2. Step 2: Convert to fraction form
    671.32/924.21 = 583.95/x
  3. Step 3: Cross multiply
    671.32x = 924.21 × 583.95
  4. Step 4: Simplify right side
    671.32x = 539,692.43
  5. Step 5: Solve for x
    x = 539,692.43/671.32
  6. Step 6: Final answer
    x = 803.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.