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Finding the Fourth Proportional to 340,455.52, 510,601.28 and 150,811.12

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Solution

The fourth proportional to 340,455.52, 510,601.28 and 150,811.12 is: 226,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,455.52 : 510,601.28 = 150,811.12 : x
  2. Step 2: Convert to fraction form
    340,455.52/510,601.28 = 150,811.12/x
  3. Step 3: Cross multiply
    340,455.52x = 510,601.28 × 150,811.12
  4. Step 4: Simplify right side
    340,455.52x = 77,004,350,910.23
  5. Step 5: Solve for x
    x = 77,004,350,910.23/340,455.52
  6. Step 6: Final answer
    x = 226,180.36

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1.5x scale

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.