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Finding the Fourth Proportional to 534,771.32, 802,288.53 and 155,695.37

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Solution

The fourth proportional to 534,771.32, 802,288.53 and 155,695.37 is: 233,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,771.32 : 802,288.53 = 155,695.37 : x
  2. Step 2: Convert to fraction form
    534,771.32/802,288.53 = 155,695.37/x
  3. Step 3: Cross multiply
    534,771.32x = 802,288.53 × 155,695.37
  4. Step 4: Simplify right side
    534,771.32x = 124,912,605,513.66
  5. Step 5: Solve for x
    x = 124,912,605,513.66/534,771.32
  6. Step 6: Final answer
    x = 233,581.35

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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.