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Finding the Fourth Proportional to 552,287.01, 762,151.30 and 310,564.43

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Solution

The fourth proportional to 552,287.01, 762,151.30 and 310,564.43 is: 428,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,287.01 : 762,151.30 = 310,564.43 : x
  2. Step 2: Convert to fraction form
    552,287.01/762,151.30 = 310,564.43/x
  3. Step 3: Cross multiply
    552,287.01x = 762,151.30 × 310,564.43
  4. Step 4: Simplify right side
    552,287.01x = 236,697,084,058.26
  5. Step 5: Solve for x
    x = 236,697,084,058.26/552,287.01
  6. Step 6: Final answer
    x = 428,576.23

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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.