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Finding the Fourth Proportional to 606,156.90, 909,202.38 and 185,432.78

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Solution

The fourth proportional to 606,156.90, 909,202.38 and 185,432.78 is: 278,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,156.90 : 909,202.38 = 185,432.78 : x
  2. Step 2: Convert to fraction form
    606,156.90/909,202.38 = 185,432.78/x
  3. Step 3: Cross multiply
    606,156.90x = 909,202.38 × 185,432.78
  4. Step 4: Simplify right side
    606,156.90x = 168,595,924,906.02
  5. Step 5: Solve for x
    x = 168,595,924,906.02/606,156.90
  6. Step 6: Final answer
    x = 278,139.08

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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.