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Finding the Fourth Proportional to 432,817.09, 652,179.92 and 355,659.73

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Solution

The fourth proportional to 432,817.09, 652,179.92 and 355,659.73 is: 535,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,817.09 : 652,179.92 = 355,659.73 : x
  2. Step 2: Convert to fraction form
    432,817.09/652,179.92 = 355,659.73/x
  3. Step 3: Cross multiply
    432,817.09x = 652,179.92 × 355,659.73
  4. Step 4: Simplify right side
    432,817.09x = 231,954,134,258.62
  5. Step 5: Solve for x
    x = 231,954,134,258.62/432,817.09
  6. Step 6: Final answer
    x = 535,917.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.