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Finding the Fourth Proportional to 404,134.20, 606,201.30 and 303,750.90

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Solution

The fourth proportional to 404,134.20, 606,201.30 and 303,750.90 is: 455,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,134.20 : 606,201.30 = 303,750.90 : x
  2. Step 2: Convert to fraction form
    404,134.20/606,201.30 = 303,750.90/x
  3. Step 3: Cross multiply
    404,134.20x = 606,201.30 × 303,750.90
  4. Step 4: Simplify right side
    404,134.20x = 184,134,190,456.17
  5. Step 5: Solve for x
    x = 184,134,190,456.17/404,134.20
  6. Step 6: Final answer
    x = 455,626.35

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1.5x scale

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.