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Finding the Fourth Proportional to 888,906.57, 1,226,682.51 and 480,999.48

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Solution

The fourth proportional to 888,906.57, 1,226,682.51 and 480,999.48 is: 663,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,906.57 : 1,226,682.51 = 480,999.48 : x
  2. Step 2: Convert to fraction form
    888,906.57/1,226,682.51 = 480,999.48/x
  3. Step 3: Cross multiply
    888,906.57x = 1,226,682.51 × 480,999.48
  4. Step 4: Simplify right side
    888,906.57x = 590,033,649,435.10
  5. Step 5: Solve for x
    x = 590,033,649,435.10/888,906.57
  6. Step 6: Final answer
    x = 663,774.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.