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Finding the Fourth Proportional to 601,636.24, 830,257.24 and 329,721.20

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Solution

The fourth proportional to 601,636.24, 830,257.24 and 329,721.20 is: 455,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,636.24 : 830,257.24 = 329,721.20 : x
  2. Step 2: Convert to fraction form
    601,636.24/830,257.24 = 329,721.20/x
  3. Step 3: Cross multiply
    601,636.24x = 830,257.24 × 329,721.20
  4. Step 4: Simplify right side
    601,636.24x = 273,753,413,481.49
  5. Step 5: Solve for x
    x = 273,753,413,481.49/601,636.24
  6. Step 6: Final answer
    x = 455,014.83

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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.