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Finding the Fourth Proportional to 363,392.61, 501,498.32 and 202,257.98

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Solution

The fourth proportional to 363,392.61, 501,498.32 and 202,257.98 is: 279,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,392.61 : 501,498.32 = 202,257.98 : x
  2. Step 2: Convert to fraction form
    363,392.61/501,498.32 = 202,257.98/x
  3. Step 3: Cross multiply
    363,392.61x = 501,498.32 × 202,257.98
  4. Step 4: Simplify right side
    363,392.61x = 101,432,033,657.81
  5. Step 5: Solve for x
    x = 101,432,033,657.81/363,392.61
  6. Step 6: Final answer
    x = 279,125.20

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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.