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Finding the Fourth Proportional to 344,856.35, 517,278.49 and 155,182.48

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Solution

The fourth proportional to 344,856.35, 517,278.49 and 155,182.48 is: 232,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,856.35 : 517,278.49 = 155,182.48 : x
  2. Step 2: Convert to fraction form
    344,856.35/517,278.49 = 155,182.48/x
  3. Step 3: Cross multiply
    344,856.35x = 517,278.49 × 155,182.48
  4. Step 4: Simplify right side
    344,856.35x = 80,272,557,247.70
  5. Step 5: Solve for x
    x = 80,272,557,247.70/344,856.35
  6. Step 6: Final answer
    x = 232,771.00

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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.