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Finding the Fourth Proportional to 301,246.84, 451,865.94 and 73,545.40

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Solution

The fourth proportional to 301,246.84, 451,865.94 and 73,545.40 is: 110,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,246.84 : 451,865.94 = 73,545.40 : x
  2. Step 2: Convert to fraction form
    301,246.84/451,865.94 = 73,545.40/x
  3. Step 3: Cross multiply
    301,246.84x = 451,865.94 × 73,545.40
  4. Step 4: Simplify right side
    301,246.84x = 33,232,661,303.68
  5. Step 5: Solve for x
    x = 33,232,661,303.68/301,246.84
  6. Step 6: Final answer
    x = 110,317.05

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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.