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Finding the Fourth Proportional to 654,997.84, 903,890.64 and 364,604.80

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Solution

The fourth proportional to 654,997.84, 903,890.64 and 364,604.80 is: 503,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,997.84 : 903,890.64 = 364,604.80 : x
  2. Step 2: Convert to fraction form
    654,997.84/903,890.64 = 364,604.80/x
  3. Step 3: Cross multiply
    654,997.84x = 903,890.64 × 364,604.80
  4. Step 4: Simplify right side
    654,997.84x = 329,562,866,019.07
  5. Step 5: Solve for x
    x = 329,562,866,019.07/654,997.84
  6. Step 6: Final answer
    x = 503,151.07

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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.