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Finding the Fourth Proportional to 529,143.84, 792,886.32 and 449,932.32

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Solution

The fourth proportional to 529,143.84, 792,886.32 and 449,932.32 is: 674,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,143.84 : 792,886.32 = 449,932.32 : x
  2. Step 2: Convert to fraction form
    529,143.84/792,886.32 = 449,932.32/x
  3. Step 3: Cross multiply
    529,143.84x = 792,886.32 × 449,932.32
  4. Step 4: Simplify right side
    529,143.84x = 356,745,181,453.86
  5. Step 5: Solve for x
    x = 356,745,181,453.86/529,143.84
  6. Step 6: Final answer
    x = 674,193.21

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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.