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Finding the Fourth Proportional to 585,455.33, 807,917.83 and 330,801.05

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Solution

The fourth proportional to 585,455.33, 807,917.83 and 330,801.05 is: 456,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,455.33 : 807,917.83 = 330,801.05 : x
  2. Step 2: Convert to fraction form
    585,455.33/807,917.83 = 330,801.05/x
  3. Step 3: Cross multiply
    585,455.33x = 807,917.83 × 330,801.05
  4. Step 4: Simplify right side
    585,455.33x = 267,260,067,670.51
  5. Step 5: Solve for x
    x = 267,260,067,670.51/585,455.33
  6. Step 6: Final answer
    x = 456,499.50

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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.