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Finding the Fourth Proportional to 606,498.32, 909,591.96 and 251,613.20

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Solution

The fourth proportional to 606,498.32, 909,591.96 and 251,613.20 is: 377,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,498.32 : 909,591.96 = 251,613.20 : x
  2. Step 2: Convert to fraction form
    606,498.32/909,591.96 = 251,613.20/x
  3. Step 3: Cross multiply
    606,498.32x = 909,591.96 × 251,613.20
  4. Step 4: Simplify right side
    606,498.32x = 228,865,343,749.87
  5. Step 5: Solve for x
    x = 228,865,343,749.87/606,498.32
  6. Step 6: Final answer
    x = 377,355.28

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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.