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Finding the Fourth Proportional to 309,360.50, 426,917.52 and 175,224.50

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Solution

The fourth proportional to 309,360.50, 426,917.52 and 175,224.50 is: 241,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,360.50 : 426,917.52 = 175,224.50 : x
  2. Step 2: Convert to fraction form
    309,360.50/426,917.52 = 175,224.50/x
  3. Step 3: Cross multiply
    309,360.50x = 426,917.52 × 175,224.50
  4. Step 4: Simplify right side
    309,360.50x = 74,806,408,983.24
  5. Step 5: Solve for x
    x = 74,806,408,983.24/309,360.50
  6. Step 6: Final answer
    x = 241,809.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.