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Finding the Fourth Proportional to 297,476.61, 410,515.46 and 161,507.88

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Solution

The fourth proportional to 297,476.61, 410,515.46 and 161,507.88 is: 222,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,476.61 : 410,515.46 = 161,507.88 : x
  2. Step 2: Convert to fraction form
    297,476.61/410,515.46 = 161,507.88/x
  3. Step 3: Cross multiply
    297,476.61x = 410,515.46 × 161,507.88
  4. Step 4: Simplify right side
    297,476.61x = 66,301,480,844.29
  5. Step 5: Solve for x
    x = 66,301,480,844.29/297,476.61
  6. Step 6: Final answer
    x = 222,879.64

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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.