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Finding the Fourth Proportional to 583,010.22, 872,540.01 and 358,512.78

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Solution

The fourth proportional to 583,010.22, 872,540.01 and 358,512.78 is: 536,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,010.22 : 872,540.01 = 358,512.78 : x
  2. Step 2: Convert to fraction form
    583,010.22/872,540.01 = 358,512.78/x
  3. Step 3: Cross multiply
    583,010.22x = 872,540.01 × 358,512.78
  4. Step 4: Simplify right side
    583,010.22x = 312,816,744,646.33
  5. Step 5: Solve for x
    x = 312,816,744,646.33/583,010.22
  6. Step 6: Final answer
    x = 536,554.48

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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.