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Finding the Fourth Proportional to 450,522.27, 675,805.86 and 134,949.11

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Solution

The fourth proportional to 450,522.27, 675,805.86 and 134,949.11 is: 202,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,522.27 : 675,805.86 = 134,949.11 : x
  2. Step 2: Convert to fraction form
    450,522.27/675,805.86 = 134,949.11/x
  3. Step 3: Cross multiply
    450,522.27x = 675,805.86 × 134,949.11
  4. Step 4: Simplify right side
    450,522.27x = 91,199,395,960.76
  5. Step 5: Solve for x
    x = 91,199,395,960.76/450,522.27
  6. Step 6: Final answer
    x = 202,430.38

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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.