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Finding the Fourth Proportional to 502,506.63, 693,461.97 and 273,065.82

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Solution

The fourth proportional to 502,506.63, 693,461.97 and 273,065.82 is: 376,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,506.63 : 693,461.97 = 273,065.82 : x
  2. Step 2: Convert to fraction form
    502,506.63/693,461.97 = 273,065.82/x
  3. Step 3: Cross multiply
    502,506.63x = 693,461.97 × 273,065.82
  4. Step 4: Simplify right side
    502,506.63x = 189,360,761,476.87
  5. Step 5: Solve for x
    x = 189,360,761,476.87/502,506.63
  6. Step 6: Final answer
    x = 376,832.36

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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.