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Finding the Fourth Proportional to 366,907.38, 550,302 and 100,606.08

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Solution

The fourth proportional to 366,907.38, 550,302 and 100,606.08 is: 150,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.38 : 550,302 = 100,606.08 : x
  2. Step 2: Convert to fraction form
    366,907.38/550,302 = 100,606.08/x
  3. Step 3: Cross multiply
    366,907.38x = 550,302 × 100,606.08
  4. Step 4: Simplify right side
    366,907.38x = 55,363,727,036.16
  5. Step 5: Solve for x
    x = 55,363,727,036.16/366,907.38
  6. Step 6: Final answer
    x = 150,892.92

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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.