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Finding the Fourth Proportional to 367,588, 551,347.44 and 130,921.12

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Solution

The fourth proportional to 367,588, 551,347.44 and 130,921.12 is: 196,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,588 : 551,347.44 = 130,921.12 : x
  2. Step 2: Convert to fraction form
    367,588/551,347.44 = 130,921.12/x
  3. Step 3: Cross multiply
    367,588x = 551,347.44 × 130,921.12
  4. Step 4: Simplify right side
    367,588x = 72,183,024,353.93
  5. Step 5: Solve for x
    x = 72,183,024,353.93/367,588
  6. Step 6: Final answer
    x = 196,369.37

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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.