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Finding the Fourth Proportional to 366,815.84, 550,186.88 and 100,603.12

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Solution

The fourth proportional to 366,815.84, 550,186.88 and 100,603.12 is: 150,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,815.84 : 550,186.88 = 100,603.12 : x
  2. Step 2: Convert to fraction form
    366,815.84/550,186.88 = 100,603.12/x
  3. Step 3: Cross multiply
    366,815.84x = 550,186.88 × 100,603.12
  4. Step 4: Simplify right side
    366,815.84x = 55,350,516,711.07
  5. Step 5: Solve for x
    x = 55,350,516,711.07/366,815.84
  6. Step 6: Final answer
    x = 150,894.57

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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.