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Finding the Fourth Proportional to 529,139.52, 792,659.52 and 247,803.84

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Solution

The fourth proportional to 529,139.52, 792,659.52 and 247,803.84 is: 371,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,139.52 : 792,659.52 = 247,803.84 : x
  2. Step 2: Convert to fraction form
    529,139.52/792,659.52 = 247,803.84/x
  3. Step 3: Cross multiply
    529,139.52x = 792,659.52 × 247,803.84
  4. Step 4: Simplify right side
    529,139.52x = 196,424,072,868.56
  5. Step 5: Solve for x
    x = 196,424,072,868.56/529,139.52
  6. Step 6: Final answer
    x = 371,214.14

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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.