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Finding the Fourth Proportional to 355,964.36, 534,058.31 and 156,452.45

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Solution

The fourth proportional to 355,964.36, 534,058.31 and 156,452.45 is: 234,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,964.36 : 534,058.31 = 156,452.45 : x
  2. Step 2: Convert to fraction form
    355,964.36/534,058.31 = 156,452.45/x
  3. Step 3: Cross multiply
    355,964.36x = 534,058.31 × 156,452.45
  4. Step 4: Simplify right side
    355,964.36x = 83,554,728,763.20
  5. Step 5: Solve for x
    x = 83,554,728,763.20/355,964.36
  6. Step 6: Final answer
    x = 234,727.80

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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.