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Finding the Fourth Proportional to 651,696.84, 899,367.30 and 365,214.42

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Solution

The fourth proportional to 651,696.84, 899,367.30 and 365,214.42 is: 504,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,696.84 : 899,367.30 = 365,214.42 : x
  2. Step 2: Convert to fraction form
    651,696.84/899,367.30 = 365,214.42/x
  3. Step 3: Cross multiply
    651,696.84x = 899,367.30 × 365,214.42
  4. Step 4: Simplify right side
    651,696.84x = 328,461,906,836.47
  5. Step 5: Solve for x
    x = 328,461,906,836.47/651,696.84
  6. Step 6: Final answer
    x = 504,010.28

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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.