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Finding the Fourth Proportional to 570,357.44, 857,087.04 and 304,305.92

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Solution

The fourth proportional to 570,357.44, 857,087.04 and 304,305.92 is: 457,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,357.44 : 857,087.04 = 304,305.92 : x
  2. Step 2: Convert to fraction form
    570,357.44/857,087.04 = 304,305.92/x
  3. Step 3: Cross multiply
    570,357.44x = 857,087.04 × 304,305.92
  4. Step 4: Simplify right side
    570,357.44x = 260,816,660,227.28
  5. Step 5: Solve for x
    x = 260,816,660,227.28/570,357.44
  6. Step 6: Final answer
    x = 457,286.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.