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Finding the Fourth Proportional to 562,181.22, 841,920.51 and 321,565.59

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Solution

The fourth proportional to 562,181.22, 841,920.51 and 321,565.59 is: 481,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,181.22 : 841,920.51 = 321,565.59 : x
  2. Step 2: Convert to fraction form
    562,181.22/841,920.51 = 321,565.59/x
  3. Step 3: Cross multiply
    562,181.22x = 841,920.51 × 321,565.59
  4. Step 4: Simplify right side
    562,181.22x = 270,732,665,531.25
  5. Step 5: Solve for x
    x = 270,732,665,531.25/562,181.22
  6. Step 6: Final answer
    x = 481,575.43

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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.