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Finding the Fourth Proportional to 542,058.48, 748,028.52 and 300,341.52

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Solution

The fourth proportional to 542,058.48, 748,028.52 and 300,341.52 is: 414,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,058.48 : 748,028.52 = 300,341.52 : x
  2. Step 2: Convert to fraction form
    542,058.48/748,028.52 = 300,341.52/x
  3. Step 3: Cross multiply
    542,058.48x = 748,028.52 × 300,341.52
  4. Step 4: Simplify right side
    542,058.48x = 224,664,022,700.15
  5. Step 5: Solve for x
    x = 224,664,022,700.15/542,058.48
  6. Step 6: Final answer
    x = 414,464.55

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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.