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Finding the Fourth Proportional to 520,099.02, 717,750.86 and 293,744.52

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Solution

The fourth proportional to 520,099.02, 717,750.86 and 293,744.52 is: 405,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,099.02 : 717,750.86 = 293,744.52 : x
  2. Step 2: Convert to fraction form
    520,099.02/717,750.86 = 293,744.52/x
  3. Step 3: Cross multiply
    520,099.02x = 717,750.86 × 293,744.52
  4. Step 4: Simplify right side
    520,099.02x = 210,835,381,850.29
  5. Step 5: Solve for x
    x = 210,835,381,850.29/520,099.02
  6. Step 6: Final answer
    x = 405,375.46

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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.