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Finding the Fourth Proportional to 316,266.66, 474,399.41 and 103,034.33

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Solution

The fourth proportional to 316,266.66, 474,399.41 and 103,034.33 is: 154,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,266.66 : 474,399.41 = 103,034.33 : x
  2. Step 2: Convert to fraction form
    316,266.66/474,399.41 = 103,034.33/x
  3. Step 3: Cross multiply
    316,266.66x = 474,399.41 × 103,034.33
  4. Step 4: Simplify right side
    316,266.66x = 48,879,422,474.58
  5. Step 5: Solve for x
    x = 48,879,422,474.58/316,266.66
  6. Step 6: Final answer
    x = 154,551.30

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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.