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Finding the Fourth Proportional to 441,099.40, 661,774.86 and 216,527.32

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Solution

The fourth proportional to 441,099.40, 661,774.86 and 216,527.32 is: 324,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,099.40 : 661,774.86 = 216,527.32 : x
  2. Step 2: Convert to fraction form
    441,099.40/661,774.86 = 216,527.32/x
  3. Step 3: Cross multiply
    441,099.40x = 661,774.86 × 216,527.32
  4. Step 4: Simplify right side
    441,099.40x = 143,292,336,879.18
  5. Step 5: Solve for x
    x = 143,292,336,879.18/441,099.40
  6. Step 6: Final answer
    x = 324,852.71

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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.