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Finding the Fourth Proportional to 363,384.93, 502,039.99 and 277,644

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Solution

The fourth proportional to 363,384.93, 502,039.99 and 277,644 is: 383,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,384.93 : 502,039.99 = 277,644 : x
  2. Step 2: Convert to fraction form
    363,384.93/502,039.99 = 277,644/x
  3. Step 3: Cross multiply
    363,384.93x = 502,039.99 × 277,644
  4. Step 4: Simplify right side
    363,384.93x = 139,388,390,983.56
  5. Step 5: Solve for x
    x = 139,388,390,983.56/363,384.93
  6. Step 6: Final answer
    x = 383,583.30

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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.