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Finding the Fourth Proportional to 349,435.81, 482,069.64 and 222,043.06

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Solution

The fourth proportional to 349,435.81, 482,069.64 and 222,043.06 is: 306,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,435.81 : 482,069.64 = 222,043.06 : x
  2. Step 2: Convert to fraction form
    349,435.81/482,069.64 = 222,043.06/x
  3. Step 3: Cross multiply
    349,435.81x = 482,069.64 × 222,043.06
  4. Step 4: Simplify right side
    349,435.81x = 107,040,217,998.70
  5. Step 5: Solve for x
    x = 107,040,217,998.70/349,435.81
  6. Step 6: Final answer
    x = 306,322.98

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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.