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Finding the Fourth Proportional to 349,438.81, 482,073.78 and 222,046.06

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Solution

The fourth proportional to 349,438.81, 482,073.78 and 222,046.06 is: 306,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,438.81 : 482,073.78 = 222,046.06 : x
  2. Step 2: Convert to fraction form
    349,438.81/482,073.78 = 222,046.06/x
  3. Step 3: Cross multiply
    349,438.81x = 482,073.78 × 222,046.06
  4. Step 4: Simplify right side
    349,438.81x = 107,042,583,478.31
  5. Step 5: Solve for x
    x = 107,042,583,478.31/349,438.81
  6. Step 6: Final answer
    x = 306,327.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.