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Finding the Fourth Proportional to 395,659.65, 593,490.22 and 96,140.48

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Solution

The fourth proportional to 395,659.65, 593,490.22 and 96,140.48 is: 144,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,659.65 : 593,490.22 = 96,140.48 : x
  2. Step 2: Convert to fraction form
    395,659.65/593,490.22 = 96,140.48/x
  3. Step 3: Cross multiply
    395,659.65x = 593,490.22 × 96,140.48
  4. Step 4: Simplify right side
    395,659.65x = 57,058,434,626.11
  5. Step 5: Solve for x
    x = 57,058,434,626.11/395,659.65
  6. Step 6: Final answer
    x = 144,210.90

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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.