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Finding the Fourth Proportional to 290,524.08, 435,814.44 and 113,045.52

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Solution

The fourth proportional to 290,524.08, 435,814.44 and 113,045.52 is: 169,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,524.08 : 435,814.44 = 113,045.52 : x
  2. Step 2: Convert to fraction form
    290,524.08/435,814.44 = 113,045.52/x
  3. Step 3: Cross multiply
    290,524.08x = 435,814.44 × 113,045.52
  4. Step 4: Simplify right side
    290,524.08x = 49,266,869,993.31
  5. Step 5: Solve for x
    x = 49,266,869,993.31/290,524.08
  6. Step 6: Final answer
    x = 169,579.30

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Why These Related Problems?

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