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Finding the Fourth Proportional to 606,404.60, 909,650.10 and 185,679.80

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Solution

The fourth proportional to 606,404.60, 909,650.10 and 185,679.80 is: 278,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,404.60 : 909,650.10 = 185,679.80 : x
  2. Step 2: Convert to fraction form
    606,404.60/909,650.10 = 185,679.80/x
  3. Step 3: Cross multiply
    606,404.60x = 909,650.10 × 185,679.80
  4. Step 4: Simplify right side
    606,404.60x = 168,903,648,637.98
  5. Step 5: Solve for x
    x = 168,903,648,637.98/606,404.60
  6. Step 6: Final answer
    x = 278,532.93

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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.