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Finding the Fourth Proportional to 502,602.60, 693,596.96 and 273,159.92

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Solution

The fourth proportional to 502,602.60, 693,596.96 and 273,159.92 is: 376,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,602.60 : 693,596.96 = 273,159.92 : x
  2. Step 2: Convert to fraction form
    502,602.60/693,596.96 = 273,159.92/x
  3. Step 3: Cross multiply
    502,602.60x = 693,596.96 × 273,159.92
  4. Step 4: Simplify right side
    502,602.60x = 189,462,890,105.84
  5. Step 5: Solve for x
    x = 189,462,890,105.84/502,602.60
  6. Step 6: Final answer
    x = 376,963.61

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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.