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Finding the Fourth Proportional to 585,448.45, 807,908.34 and 330,794.17

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Solution

The fourth proportional to 585,448.45, 807,908.34 and 330,794.17 is: 456,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,448.45 : 807,908.34 = 330,794.17 : x
  2. Step 2: Convert to fraction form
    585,448.45/807,908.34 = 330,794.17/x
  3. Step 3: Cross multiply
    585,448.45x = 807,908.34 × 330,794.17
  4. Step 4: Simplify right side
    585,448.45x = 267,251,368,766.38
  5. Step 5: Solve for x
    x = 267,251,368,766.38/585,448.45
  6. Step 6: Final answer
    x = 456,490.01

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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.