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Finding the Fourth Proportional to 606,493.60, 909,959.10 and 251,616.40

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Solution

The fourth proportional to 606,493.60, 909,959.10 and 251,616.40 is: 377,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,493.60 : 909,959.10 = 251,616.40 : x
  2. Step 2: Convert to fraction form
    606,493.60/909,959.10 = 251,616.40/x
  3. Step 3: Cross multiply
    606,493.60x = 909,959.10 × 251,616.40
  4. Step 4: Simplify right side
    606,493.60x = 228,960,632,889.24
  5. Step 5: Solve for x
    x = 228,960,632,889.24/606,493.60
  6. Step 6: Final answer
    x = 377,515.33

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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.