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Finding the Fourth Proportional to 1,204.06, 1,807.11 and 474.15

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Solution

The fourth proportional to 1,204.06, 1,807.11 and 474.15 is: 711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.06 : 1,807.11 = 474.15 : x
  2. Step 2: Convert to fraction form
    1,204.06/1,807.11 = 474.15/x
  3. Step 3: Cross multiply
    1,204.06x = 1,807.11 × 474.15
  4. Step 4: Simplify right side
    1,204.06x = 856,841.21
  5. Step 5: Solve for x
    x = 856,841.21/1,204.06
  6. Step 6: Final answer
    x = 711.63

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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.