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Finding the Fourth Proportional to 562.83, 776.22 and 474.75

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Solution

The fourth proportional to 562.83, 776.22 and 474.75 is: 654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.83 : 776.22 = 474.75 : x
  2. Step 2: Convert to fraction form
    562.83/776.22 = 474.75/x
  3. Step 3: Cross multiply
    562.83x = 776.22 × 474.75
  4. Step 4: Simplify right side
    562.83x = 368,510.45
  5. Step 5: Solve for x
    x = 368,510.45/562.83
  6. Step 6: Final answer
    x = 654.75

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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.