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Finding the Fourth Proportional to 502,304.63, 693,185.83 and 272,864.63

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Solution

The fourth proportional to 502,304.63, 693,185.83 and 272,864.63 is: 376,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,304.63 : 693,185.83 = 272,864.63 : x
  2. Step 2: Convert to fraction form
    502,304.63/693,185.83 = 272,864.63/x
  3. Step 3: Cross multiply
    502,304.63x = 693,185.83 × 272,864.63
  4. Step 4: Simplify right side
    502,304.63x = 189,145,896,075.00
  5. Step 5: Solve for x
    x = 189,145,896,075.00/502,304.63
  6. Step 6: Final answer
    x = 376,556.15

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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.