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Finding the Fourth Proportional to 538,058.97, 742,540.42 and 334,221.52

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Solution

The fourth proportional to 538,058.97, 742,540.42 and 334,221.52 is: 461,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,058.97 : 742,540.42 = 334,221.52 : x
  2. Step 2: Convert to fraction form
    538,058.97/742,540.42 = 334,221.52/x
  3. Step 3: Cross multiply
    538,058.97x = 742,540.42 × 334,221.52
  4. Step 4: Simplify right side
    538,058.97x = 248,172,987,833.84
  5. Step 5: Solve for x
    x = 248,172,987,833.84/538,058.97
  6. Step 6: Final answer
    x = 461,237.53

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1.5x scale

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.