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Finding the Fourth Proportional to 367,130.40, 550,004.40 and 189,031.20

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Solution

The fourth proportional to 367,130.40, 550,004.40 and 189,031.20 is: 283,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,130.40 : 550,004.40 = 189,031.20 : x
  2. Step 2: Convert to fraction form
    367,130.40/550,004.40 = 189,031.20/x
  3. Step 3: Cross multiply
    367,130.40x = 550,004.40 × 189,031.20
  4. Step 4: Simplify right side
    367,130.40x = 103,967,991,737.28
  5. Step 5: Solve for x
    x = 103,967,991,737.28/367,130.40
  6. Step 6: Final answer
    x = 283,190.91

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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.