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Finding the Fourth Proportional to 367,055.30, 550,145.55 and 153,822.80

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Solution

The fourth proportional to 367,055.30, 550,145.55 and 153,822.80 is: 230,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,055.30 : 550,145.55 = 153,822.80 : x
  2. Step 2: Convert to fraction form
    367,055.30/550,145.55 = 153,822.80/x
  3. Step 3: Cross multiply
    367,055.30x = 550,145.55 × 153,822.80
  4. Step 4: Simplify right side
    367,055.30x = 84,624,928,908.54
  5. Step 5: Solve for x
    x = 84,624,928,908.54/367,055.30
  6. Step 6: Final answer
    x = 230,550.90

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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.