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Finding the Fourth Proportional to 404,267.32, 605,819.67 and 278,050.08

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Solution

The fourth proportional to 404,267.32, 605,819.67 and 278,050.08 is: 416,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267.32 : 605,819.67 = 278,050.08 : x
  2. Step 2: Convert to fraction form
    404,267.32/605,819.67 = 278,050.08/x
  3. Step 3: Cross multiply
    404,267.32x = 605,819.67 × 278,050.08
  4. Step 4: Simplify right side
    404,267.32x = 168,448,207,709.07
  5. Step 5: Solve for x
    x = 168,448,207,709.07/404,267.32
  6. Step 6: Final answer
    x = 416,675.30

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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.