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Finding the Fourth Proportional to 612,745.32, 918,996.24 and 582,364.92

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Solution

The fourth proportional to 612,745.32, 918,996.24 and 582,364.92 is: 873,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,745.32 : 918,996.24 = 582,364.92 : x
  2. Step 2: Convert to fraction form
    612,745.32/918,996.24 = 582,364.92/x
  3. Step 3: Cross multiply
    612,745.32x = 918,996.24 × 582,364.92
  4. Step 4: Simplify right side
    612,745.32x = 535,191,171,787.90
  5. Step 5: Solve for x
    x = 535,191,171,787.90/612,745.32
  6. Step 6: Final answer
    x = 873,431.68

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1.5x scale

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.