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Finding the Fourth Proportional to 651,893.43, 899,668.41 and 365,468.88

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Solution

The fourth proportional to 651,893.43, 899,668.41 and 365,468.88 is: 504,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,893.43 : 899,668.41 = 365,468.88 : x
  2. Step 2: Convert to fraction form
    651,893.43/899,668.41 = 365,468.88/x
  3. Step 3: Cross multiply
    651,893.43x = 899,668.41 × 365,468.88
  4. Step 4: Simplify right side
    651,893.43x = 328,800,805,172.46
  5. Step 5: Solve for x
    x = 328,800,805,172.46/651,893.43
  6. Step 6: Final answer
    x = 504,378.15

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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.