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Finding the Fourth Proportional to 566,203.70, 781,382.66 and 324,532.90

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Solution

The fourth proportional to 566,203.70, 781,382.66 and 324,532.90 is: 447,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,203.70 : 781,382.66 = 324,532.90 : x
  2. Step 2: Convert to fraction form
    566,203.70/781,382.66 = 324,532.90/x
  3. Step 3: Cross multiply
    566,203.70x = 781,382.66 × 324,532.90
  4. Step 4: Simplify right side
    566,203.70x = 253,584,380,659.51
  5. Step 5: Solve for x
    x = 253,584,380,659.51/566,203.70
  6. Step 6: Final answer
    x = 447,867.76

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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.