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Finding the Fourth Proportional to 465,659.15, 701,600.36 and 420,732.72

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Solution

The fourth proportional to 465,659.15, 701,600.36 and 420,732.72 is: 633,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,659.15 : 701,600.36 = 420,732.72 : x
  2. Step 2: Convert to fraction form
    465,659.15/701,600.36 = 420,732.72/x
  3. Step 3: Cross multiply
    465,659.15x = 701,600.36 × 420,732.72
  4. Step 4: Simplify right side
    465,659.15x = 295,186,225,712.12
  5. Step 5: Solve for x
    x = 295,186,225,712.12/465,659.15
  6. Step 6: Final answer
    x = 633,910.51

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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.