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Finding the Fourth Proportional to 519,351.03, 717,028.46 and 335,685.76

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Solution

The fourth proportional to 519,351.03, 717,028.46 and 335,685.76 is: 463,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,351.03 : 717,028.46 = 335,685.76 : x
  2. Step 2: Convert to fraction form
    519,351.03/717,028.46 = 335,685.76/x
  3. Step 3: Cross multiply
    519,351.03x = 717,028.46 × 335,685.76
  4. Step 4: Simplify right side
    519,351.03x = 240,696,238,273.16
  5. Step 5: Solve for x
    x = 240,696,238,273.16/519,351.03
  6. Step 6: Final answer
    x = 463,455.78

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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.