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Finding the Fourth Proportional to 334,388.74, 501,287.85 and 255,853.57

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Solution

The fourth proportional to 334,388.74, 501,287.85 and 255,853.57 is: 383,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,388.74 : 501,287.85 = 255,853.57 : x
  2. Step 2: Convert to fraction form
    334,388.74/501,287.85 = 255,853.57/x
  3. Step 3: Cross multiply
    334,388.74x = 501,287.85 × 255,853.57
  4. Step 4: Simplify right side
    334,388.74x = 128,256,283,513.69
  5. Step 5: Solve for x
    x = 128,256,283,513.69/334,388.74
  6. Step 6: Final answer
    x = 383,554.44

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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.