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Finding the Fourth Proportional to 654,998.34, 903,891.32 and 364,605.30

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Solution

The fourth proportional to 654,998.34, 903,891.32 and 364,605.30 is: 503,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,998.34 : 903,891.32 = 364,605.30 : x
  2. Step 2: Convert to fraction form
    654,998.34/903,891.32 = 364,605.30/x
  3. Step 3: Cross multiply
    654,998.34x = 903,891.32 × 364,605.30
  4. Step 4: Simplify right side
    654,998.34x = 329,563,565,896.00
  5. Step 5: Solve for x
    x = 329,563,565,896.00/654,998.34
  6. Step 6: Final answer
    x = 503,151.76

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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.