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Finding the Fourth Proportional to 403,744.04, 605,632.80 and 150,999.20

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Solution

The fourth proportional to 403,744.04, 605,632.80 and 150,999.20 is: 226,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,744.04 : 605,632.80 = 150,999.20 : x
  2. Step 2: Convert to fraction form
    403,744.04/605,632.80 = 150,999.20/x
  3. Step 3: Cross multiply
    403,744.04x = 605,632.80 × 150,999.20
  4. Step 4: Simplify right side
    403,744.04x = 91,450,068,293.76
  5. Step 5: Solve for x
    x = 91,450,068,293.76/403,744.04
  6. Step 6: Final answer
    x = 226,505.06

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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.