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Finding the Fourth Proportional to 606,153.41, 909,197.16 and 185,429.29

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Solution

The fourth proportional to 606,153.41, 909,197.16 and 185,429.29 is: 278,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,153.41 : 909,197.16 = 185,429.29 : x
  2. Step 2: Convert to fraction form
    606,153.41/909,197.16 = 185,429.29/x
  3. Step 3: Cross multiply
    606,153.41x = 909,197.16 × 185,429.29
  4. Step 4: Simplify right side
    606,153.41x = 168,591,781,575.82
  5. Step 5: Solve for x
    x = 168,591,781,575.82/606,153.41
  6. Step 6: Final answer
    x = 278,133.85

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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.