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Finding the Fourth Proportional to 503,278.59, 755,034.37 and 263,522.74

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Solution

The fourth proportional to 503,278.59, 755,034.37 and 263,522.74 is: 395,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,278.59 : 755,034.37 = 263,522.74 : x
  2. Step 2: Convert to fraction form
    503,278.59/755,034.37 = 263,522.74/x
  3. Step 3: Cross multiply
    503,278.59x = 755,034.37 × 263,522.74
  4. Step 4: Simplify right side
    503,278.59x = 198,968,725,976.57
  5. Step 5: Solve for x
    x = 198,968,725,976.57/503,278.59
  6. Step 6: Final answer
    x = 395,345.10

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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.