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Finding the Fourth Proportional to 583,442.40, 873,997.20 and 333,832.80

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Solution

The fourth proportional to 583,442.40, 873,997.20 and 333,832.80 is: 500,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,442.40 : 873,997.20 = 333,832.80 : x
  2. Step 2: Convert to fraction form
    583,442.40/873,997.20 = 333,832.80/x
  3. Step 3: Cross multiply
    583,442.40x = 873,997.20 × 333,832.80
  4. Step 4: Simplify right side
    583,442.40x = 291,768,932,468.16
  5. Step 5: Solve for x
    x = 291,768,932,468.16/583,442.40
  6. Step 6: Final answer
    x = 500,081.81

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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.