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Finding the Fourth Proportional to 376,803.74, 519,983.16 and 207,034.22

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Solution

The fourth proportional to 376,803.74, 519,983.16 and 207,034.22 is: 285,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,803.74 : 519,983.16 = 207,034.22 : x
  2. Step 2: Convert to fraction form
    376,803.74/519,983.16 = 207,034.22/x
  3. Step 3: Cross multiply
    376,803.74x = 519,983.16 × 207,034.22
  4. Step 4: Simplify right side
    376,803.74x = 107,654,307,943.74
  5. Step 5: Solve for x
    x = 107,654,307,943.74/376,803.74
  6. Step 6: Final answer
    x = 285,703.93

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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.