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Finding the Fourth Proportional to 548,750.40, 827,238.56 and 512,172.81

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Solution

The fourth proportional to 548,750.40, 827,238.56 and 512,172.81 is: 772,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,750.40 : 827,238.56 = 512,172.81 : x
  2. Step 2: Convert to fraction form
    548,750.40/827,238.56 = 512,172.81/x
  3. Step 3: Cross multiply
    548,750.40x = 827,238.56 × 512,172.81
  4. Step 4: Simplify right side
    548,750.40x = 423,689,095,254.69
  5. Step 5: Solve for x
    x = 423,689,095,254.69/548,750.40
  6. Step 6: Final answer
    x = 772,098.02

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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.