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Finding the Fourth Proportional to 317,471.40, 476,362.80 and 149,005.44

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Solution

The fourth proportional to 317,471.40, 476,362.80 and 149,005.44 is: 223,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,471.40 : 476,362.80 = 149,005.44 : x
  2. Step 2: Convert to fraction form
    317,471.40/476,362.80 = 149,005.44/x
  3. Step 3: Cross multiply
    317,471.40x = 476,362.80 × 149,005.44
  4. Step 4: Simplify right side
    317,471.40x = 70,980,648,613.63
  5. Step 5: Solve for x
    x = 70,980,648,613.63/317,471.40
  6. Step 6: Final answer
    x = 223,581.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.