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Finding the Fourth Proportional to 450,404.64, 675,529.20 and 134,776.80

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Solution

The fourth proportional to 450,404.64, 675,529.20 and 134,776.80 is: 202,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,404.64 : 675,529.20 = 134,776.80 : x
  2. Step 2: Convert to fraction form
    450,404.64/675,529.20 = 134,776.80/x
  3. Step 3: Cross multiply
    450,404.64x = 675,529.20 × 134,776.80
  4. Step 4: Simplify right side
    450,404.64x = 91,045,663,882.56
  5. Step 5: Solve for x
    x = 91,045,663,882.56/450,404.64
  6. Step 6: Final answer
    x = 202,141.93

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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.