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Finding the Fourth Proportional to 367,231.64, 550,681.20 and 130,580.56

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Solution

The fourth proportional to 367,231.64, 550,681.20 and 130,580.56 is: 195,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,231.64 : 550,681.20 = 130,580.56 : x
  2. Step 2: Convert to fraction form
    367,231.64/550,681.20 = 130,580.56/x
  3. Step 3: Cross multiply
    367,231.64x = 550,681.20 × 130,580.56
  4. Step 4: Simplify right side
    367,231.64x = 71,908,259,477.47
  5. Step 5: Solve for x
    x = 71,908,259,477.47/367,231.64
  6. Step 6: Final answer
    x = 195,811.72

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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.