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Finding the Fourth Proportional to 550,384.84, 759,614.10 and 335,649.47

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Solution

The fourth proportional to 550,384.84, 759,614.10 and 335,649.47 is: 463,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,384.84 : 759,614.10 = 335,649.47 : x
  2. Step 2: Convert to fraction form
    550,384.84/759,614.10 = 335,649.47/x
  3. Step 3: Cross multiply
    550,384.84x = 759,614.10 × 335,649.47
  4. Step 4: Simplify right side
    550,384.84x = 254,964,067,530.14
  5. Step 5: Solve for x
    x = 254,964,067,530.14/550,384.84
  6. Step 6: Final answer
    x = 463,246.89

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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.