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Finding the Fourth Proportional to 562.05, 841.77 and 492.84

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Solution

The fourth proportional to 562.05, 841.77 and 492.84 is: 738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.05 : 841.77 = 492.84 : x
  2. Step 2: Convert to fraction form
    562.05/841.77 = 492.84/x
  3. Step 3: Cross multiply
    562.05x = 841.77 × 492.84
  4. Step 4: Simplify right side
    562.05x = 414,857.93
  5. Step 5: Solve for x
    x = 414,857.93/562.05
  6. Step 6: Final answer
    x = 738.12

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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.