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Finding the Fourth Proportional to 606,156.40, 909,201.63 and 185,432.28

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Solution

The fourth proportional to 606,156.40, 909,201.63 and 185,432.28 is: 278,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,156.40 : 909,201.63 = 185,432.28 : x
  2. Step 2: Convert to fraction form
    606,156.40/909,201.63 = 185,432.28/x
  3. Step 3: Cross multiply
    606,156.40x = 909,201.63 × 185,432.28
  4. Step 4: Simplify right side
    606,156.40x = 168,595,331,230.62
  5. Step 5: Solve for x
    x = 168,595,331,230.62/606,156.40
  6. Step 6: Final answer
    x = 278,138.33

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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.