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Finding the Fourth Proportional to 562.63, 776.40 and 341.53

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Solution

The fourth proportional to 562.63, 776.40 and 341.53 is: 471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.63 : 776.40 = 341.53 : x
  2. Step 2: Convert to fraction form
    562.63/776.40 = 341.53/x
  3. Step 3: Cross multiply
    562.63x = 776.40 × 341.53
  4. Step 4: Simplify right side
    562.63x = 265,163.89
  5. Step 5: Solve for x
    x = 265,163.89/562.63
  6. Step 6: Final answer
    x = 471.29

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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.