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Finding the Fourth Proportional to 452,350.82, 677,492.78 and 215,859.60

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Solution

The fourth proportional to 452,350.82, 677,492.78 and 215,859.60 is: 323,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,350.82 : 677,492.78 = 215,859.60 : x
  2. Step 2: Convert to fraction form
    452,350.82/677,492.78 = 215,859.60/x
  3. Step 3: Cross multiply
    452,350.82x = 677,492.78 × 215,859.60
  4. Step 4: Simplify right side
    452,350.82x = 146,243,320,493.69
  5. Step 5: Solve for x
    x = 146,243,320,493.69/452,350.82
  6. Step 6: Final answer
    x = 323,296.24

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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.