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Finding the Fourth Proportional to 451,636.00, 623,256.73 and 260,649.39

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Solution

The fourth proportional to 451,636.00, 623,256.73 and 260,649.39 is: 359,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,636.00 : 623,256.73 = 260,649.39 : x
  2. Step 2: Convert to fraction form
    451,636.00/623,256.73 = 260,649.39/x
  3. Step 3: Cross multiply
    451,636.00x = 623,256.73 × 260,649.39
  4. Step 4: Simplify right side
    451,636.00x = 162,451,488,173.48
  5. Step 5: Solve for x
    x = 162,451,488,173.48/451,636.00
  6. Step 6: Final answer
    x = 359,695.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.