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Finding the Fourth Proportional to 416,289.92, 574,481.77 and 225,303.26

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Solution

The fourth proportional to 416,289.92, 574,481.77 and 225,303.26 is: 310,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,289.92 : 574,481.77 = 225,303.26 : x
  2. Step 2: Convert to fraction form
    416,289.92/574,481.77 = 225,303.26/x
  3. Step 3: Cross multiply
    416,289.92x = 574,481.77 × 225,303.26
  4. Step 4: Simplify right side
    416,289.92x = 129,432,612,155.90
  5. Step 5: Solve for x
    x = 129,432,612,155.90/416,289.92
  6. Step 6: Final answer
    x = 310,919.40

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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.