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Finding the Fourth Proportional to 403,672.32, 605,298.29 and 150,744.83

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Solution

The fourth proportional to 403,672.32, 605,298.29 and 150,744.83 is: 226,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,672.32 : 605,298.29 = 150,744.83 : x
  2. Step 2: Convert to fraction form
    403,672.32/605,298.29 = 150,744.83/x
  3. Step 3: Cross multiply
    403,672.32x = 605,298.29 × 150,744.83
  4. Step 4: Simplify right side
    403,672.32x = 91,245,584,045.13
  5. Step 5: Solve for x
    x = 91,245,584,045.13/403,672.32
  6. Step 6: Final answer
    x = 226,038.74

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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.