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Finding the Fourth Proportional to 379,653.52, 569,264.60 and 154,750.52

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Solution

The fourth proportional to 379,653.52, 569,264.60 and 154,750.52 is: 232,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,653.52 : 569,264.60 = 154,750.52 : x
  2. Step 2: Convert to fraction form
    379,653.52/569,264.60 = 154,750.52/x
  3. Step 3: Cross multiply
    379,653.52x = 569,264.60 × 154,750.52
  4. Step 4: Simplify right side
    379,653.52x = 88,093,992,867.59
  5. Step 5: Solve for x
    x = 88,093,992,867.59/379,653.52
  6. Step 6: Final answer
    x = 232,037.87

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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.