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Finding the Fourth Proportional to 502,443.53, 693,374.63 and 273,001.39

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Solution

The fourth proportional to 502,443.53, 693,374.63 and 273,001.39 is: 376,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,443.53 : 693,374.63 = 273,001.39 : x
  2. Step 2: Convert to fraction form
    502,443.53/693,374.63 = 273,001.39/x
  3. Step 3: Cross multiply
    502,443.53x = 693,374.63 × 273,001.39
  4. Step 4: Simplify right side
    502,443.53x = 189,292,234,682.29
  5. Step 5: Solve for x
    x = 189,292,234,682.29/502,443.53
  6. Step 6: Final answer
    x = 376,743.31

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1.5x scale

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.