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Finding the Fourth Proportional to 340,144.98, 510,332.28 and 150,579.19

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Solution

The fourth proportional to 340,144.98, 510,332.28 and 150,579.19 is: 225,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,144.98 : 510,332.28 = 150,579.19 : x
  2. Step 2: Convert to fraction form
    340,144.98/510,332.28 = 150,579.19/x
  3. Step 3: Cross multiply
    340,144.98x = 510,332.28 × 150,579.19
  4. Step 4: Simplify right side
    340,144.98x = 76,845,421,353.25
  5. Step 5: Solve for x
    x = 76,845,421,353.25/340,144.98
  6. Step 6: Final answer
    x = 225,919.61

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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.