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Finding the Fourth Proportional to 1,650.68, 2,476.52 and 554.95

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Solution

The fourth proportional to 1,650.68, 2,476.52 and 554.95 is: 832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.68 : 2,476.52 = 554.95 : x
  2. Step 2: Convert to fraction form
    1,650.68/2,476.52 = 554.95/x
  3. Step 3: Cross multiply
    1,650.68x = 2,476.52 × 554.95
  4. Step 4: Simplify right side
    1,650.68x = 1,374,344.77
  5. Step 5: Solve for x
    x = 1,374,344.77/1,650.68
  6. Step 6: Final answer
    x = 832.59

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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.