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Finding the Fourth Proportional to 415,650.52, 622,486.08 and 265,425.49

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Solution

The fourth proportional to 415,650.52, 622,486.08 and 265,425.49 is: 397,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,650.52 : 622,486.08 = 265,425.49 : x
  2. Step 2: Convert to fraction form
    415,650.52/622,486.08 = 265,425.49/x
  3. Step 3: Cross multiply
    415,650.52x = 622,486.08 × 265,425.49
  4. Step 4: Simplify right side
    415,650.52x = 165,223,672,802.18
  5. Step 5: Solve for x
    x = 165,223,672,802.18/415,650.52
  6. Step 6: Final answer
    x = 397,506.23

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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.