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Finding the Fourth Proportional to 552.95, 761.73 and 474.01

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Solution

The fourth proportional to 552.95, 761.73 and 474.01 is: 652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.95 : 761.73 = 474.01 : x
  2. Step 2: Convert to fraction form
    552.95/761.73 = 474.01/x
  3. Step 3: Cross multiply
    552.95x = 761.73 × 474.01
  4. Step 4: Simplify right side
    552.95x = 361,065.73
  5. Step 5: Solve for x
    x = 361,065.73/552.95
  6. Step 6: Final answer
    x = 652.99

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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.