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Finding the Fourth Proportional to 300,496.04, 450,670.26 and 100,811.96

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Solution

The fourth proportional to 300,496.04, 450,670.26 and 100,811.96 is: 151,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,496.04 : 450,670.26 = 100,811.96 : x
  2. Step 2: Convert to fraction form
    300,496.04/450,670.26 = 100,811.96/x
  3. Step 3: Cross multiply
    300,496.04x = 450,670.26 × 100,811.96
  4. Step 4: Simplify right side
    300,496.04x = 45,432,952,224.31
  5. Step 5: Solve for x
    x = 45,432,952,224.31/300,496.04
  6. Step 6: Final answer
    x = 151,193.18

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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.