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Finding the Fourth Proportional to 865,633.24, 1,304,358.44 and 711,318.52

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Solution

The fourth proportional to 865,633.24, 1,304,358.44 and 711,318.52 is: 1,071,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,633.24 : 1,304,358.44 = 711,318.52 : x
  2. Step 2: Convert to fraction form
    865,633.24/1,304,358.44 = 711,318.52/x
  3. Step 3: Cross multiply
    865,633.24x = 1,304,358.44 × 711,318.52
  4. Step 4: Simplify right side
    865,633.24x = 927,814,321,018.65
  5. Step 5: Solve for x
    x = 927,814,321,018.65/865,633.24
  6. Step 6: Final answer
    x = 1,071,833.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.