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Finding the Fourth Proportional to 533,388.92, 735,729.88 and 342,099.32

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Solution

The fourth proportional to 533,388.92, 735,729.88 and 342,099.32 is: 471,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,388.92 : 735,729.88 = 342,099.32 : x
  2. Step 2: Convert to fraction form
    533,388.92/735,729.88 = 342,099.32/x
  3. Step 3: Cross multiply
    533,388.92x = 735,729.88 × 342,099.32
  4. Step 4: Simplify right side
    533,388.92x = 251,692,691,651.68
  5. Step 5: Solve for x
    x = 251,692,691,651.68/533,388.92
  6. Step 6: Final answer
    x = 471,874.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.