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Finding the Fourth Proportional to 300,328.32, 450,624.48 and 113,296.08

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Solution

The fourth proportional to 300,328.32, 450,624.48 and 113,296.08 is: 169,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,328.32 : 450,624.48 = 113,296.08 : x
  2. Step 2: Convert to fraction form
    300,328.32/450,624.48 = 113,296.08/x
  3. Step 3: Cross multiply
    300,328.32x = 450,624.48 × 113,296.08
  4. Step 4: Simplify right side
    300,328.32x = 51,053,987,136.04
  5. Step 5: Solve for x
    x = 51,053,987,136.04/300,328.32
  6. Step 6: Final answer
    x = 169,993.92

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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.