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Finding the Fourth Proportional to 503,342.04, 755,275.56 and 204,043.80

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Solution

The fourth proportional to 503,342.04, 755,275.56 and 204,043.80 is: 306,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,342.04 : 755,275.56 = 204,043.80 : x
  2. Step 2: Convert to fraction form
    503,342.04/755,275.56 = 204,043.80/x
  3. Step 3: Cross multiply
    503,342.04x = 755,275.56 × 204,043.80
  4. Step 4: Simplify right side
    503,342.04x = 154,109,295,309.53
  5. Step 5: Solve for x
    x = 154,109,295,309.53/503,342.04
  6. Step 6: Final answer
    x = 306,172.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.