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Finding the Fourth Proportional to 333,010.32, 499,589.28 and 155,420.44

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Solution

The fourth proportional to 333,010.32, 499,589.28 and 155,420.44 is: 233,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,010.32 : 499,589.28 = 155,420.44 : x
  2. Step 2: Convert to fraction form
    333,010.32/499,589.28 = 155,420.44/x
  3. Step 3: Cross multiply
    333,010.32x = 499,589.28 × 155,420.44
  4. Step 4: Simplify right side
    333,010.32x = 77,646,385,716.88
  5. Step 5: Solve for x
    x = 77,646,385,716.88/333,010.32
  6. Step 6: Final answer
    x = 233,165.10

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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.