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Finding the Fourth Proportional to 292,774.52, 403,880.46 and 185,163.32

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Solution

The fourth proportional to 292,774.52, 403,880.46 and 185,163.32 is: 255,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,774.52 : 403,880.46 = 185,163.32 : x
  2. Step 2: Convert to fraction form
    292,774.52/403,880.46 = 185,163.32/x
  3. Step 3: Cross multiply
    292,774.52x = 403,880.46 × 185,163.32
  4. Step 4: Simplify right side
    292,774.52x = 74,783,846,856.73
  5. Step 5: Solve for x
    x = 74,783,846,856.73/292,774.52
  6. Step 6: Final answer
    x = 255,431.54

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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.