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Finding the Fourth Proportional to 1,204.46, 1,807.30 and 474.08

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Solution

The fourth proportional to 1,204.46, 1,807.30 and 474.08 is: 711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.46 : 1,807.30 = 474.08 : x
  2. Step 2: Convert to fraction form
    1,204.46/1,807.30 = 474.08/x
  3. Step 3: Cross multiply
    1,204.46x = 1,807.30 × 474.08
  4. Step 4: Simplify right side
    1,204.46x = 856,804.78
  5. Step 5: Solve for x
    x = 856,804.78/1,204.46
  6. Step 6: Final answer
    x = 711.36

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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.