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Finding the Fourth Proportional to 367,061.30, 550,154.55 and 153,828.80

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Solution

The fourth proportional to 367,061.30, 550,154.55 and 153,828.80 is: 230,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,061.30 : 550,154.55 = 153,828.80 : x
  2. Step 2: Convert to fraction form
    367,061.30/550,154.55 = 153,828.80/x
  3. Step 3: Cross multiply
    367,061.30x = 550,154.55 × 153,828.80
  4. Step 4: Simplify right side
    367,061.30x = 84,629,614,241.04
  5. Step 5: Solve for x
    x = 84,629,614,241.04/367,061.30
  6. Step 6: Final answer
    x = 230,559.89

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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.