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Finding the Fourth Proportional to 606,153.44, 909,197.21 and 185,429.32

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Solution

The fourth proportional to 606,153.44, 909,197.21 and 185,429.32 is: 278,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,153.44 : 909,197.21 = 185,429.32 : x
  2. Step 2: Convert to fraction form
    606,153.44/909,197.21 = 185,429.32/x
  3. Step 3: Cross multiply
    606,153.44x = 909,197.21 × 185,429.32
  4. Step 4: Simplify right side
    606,153.44x = 168,591,817,659.63
  5. Step 5: Solve for x
    x = 168,591,817,659.63/606,153.44
  6. Step 6: Final answer
    x = 278,133.89

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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.