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Finding the Fourth Proportional to 519,753.43, 717,225.96 and 301,942.81

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Solution

The fourth proportional to 519,753.43, 717,225.96 and 301,942.81 is: 416,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,753.43 : 717,225.96 = 301,942.81 : x
  2. Step 2: Convert to fraction form
    519,753.43/717,225.96 = 301,942.81/x
  3. Step 3: Cross multiply
    519,753.43x = 717,225.96 × 301,942.81
  4. Step 4: Simplify right side
    519,753.43x = 216,561,221,767.35
  5. Step 5: Solve for x
    x = 216,561,221,767.35/519,753.43
  6. Step 6: Final answer
    x = 416,661.46

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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.