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Finding the Fourth Proportional to 802,632.33, 1,107,643.41 and 440,055.32

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Solution

The fourth proportional to 802,632.33, 1,107,643.41 and 440,055.32 is: 607,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,632.33 : 1,107,643.41 = 440,055.32 : x
  2. Step 2: Convert to fraction form
    802,632.33/1,107,643.41 = 440,055.32/x
  3. Step 3: Cross multiply
    802,632.33x = 1,107,643.41 × 440,055.32
  4. Step 4: Simplify right side
    802,632.33x = 487,424,375,233.44
  5. Step 5: Solve for x
    x = 487,424,375,233.44/802,632.33
  6. Step 6: Final answer
    x = 607,282.26

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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.