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Finding the Fourth Proportional to 605,731.40, 835,910.52 and 364,017.68

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Solution

The fourth proportional to 605,731.40, 835,910.52 and 364,017.68 is: 502,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,731.40 : 835,910.52 = 364,017.68 : x
  2. Step 2: Convert to fraction form
    605,731.40/835,910.52 = 364,017.68/x
  3. Step 3: Cross multiply
    605,731.40x = 835,910.52 × 364,017.68
  4. Step 4: Simplify right side
    605,731.40x = 304,286,208,177.99
  5. Step 5: Solve for x
    x = 304,286,208,177.99/605,731.40
  6. Step 6: Final answer
    x = 502,345.11

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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.