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Finding the Fourth Proportional to 300,087.11, 450,482.28 and 236,949.81

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Solution

The fourth proportional to 300,087.11, 450,482.28 and 236,949.81 is: 355,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,087.11 : 450,482.28 = 236,949.81 : x
  2. Step 2: Convert to fraction form
    300,087.11/450,482.28 = 236,949.81/x
  3. Step 3: Cross multiply
    300,087.11x = 450,482.28 × 236,949.81
  4. Step 4: Simplify right side
    300,087.11x = 106,741,688,076.50
  5. Step 5: Solve for x
    x = 106,741,688,076.50/300,087.11
  6. Step 6: Final answer
    x = 355,702.34

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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.