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Finding the Fourth Proportional to 290,276.49, 400,579.96 and 162,952.05

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Solution

The fourth proportional to 290,276.49, 400,579.96 and 162,952.05 is: 224,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,276.49 : 400,579.96 = 162,952.05 : x
  2. Step 2: Convert to fraction form
    290,276.49/400,579.96 = 162,952.05/x
  3. Step 3: Cross multiply
    290,276.49x = 400,579.96 × 162,952.05
  4. Step 4: Simplify right side
    290,276.49x = 65,275,325,670.92
  5. Step 5: Solve for x
    x = 65,275,325,670.92/290,276.49
  6. Step 6: Final answer
    x = 224,872.93

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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.