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Finding the Fourth Proportional to 590,721.80, 886,738.80 and 366,335.60

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Solution

The fourth proportional to 590,721.80, 886,738.80 and 366,335.60 is: 549,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,721.80 : 886,738.80 = 366,335.60 : x
  2. Step 2: Convert to fraction form
    590,721.80/886,738.80 = 366,335.60/x
  3. Step 3: Cross multiply
    590,721.80x = 886,738.80 × 366,335.60
  4. Step 4: Simplify right side
    590,721.80x = 324,843,990,341.28
  5. Step 5: Solve for x
    x = 324,843,990,341.28/590,721.80
  6. Step 6: Final answer
    x = 549,910.28

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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.