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Finding the Fourth Proportional to 292,447.32, 403,558.02 and 169,928.88

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Solution

The fourth proportional to 292,447.32, 403,558.02 and 169,928.88 is: 234,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,447.32 : 403,558.02 = 169,928.88 : x
  2. Step 2: Convert to fraction form
    292,447.32/403,558.02 = 169,928.88/x
  3. Step 3: Cross multiply
    292,447.32x = 403,558.02 × 169,928.88
  4. Step 4: Simplify right side
    292,447.32x = 68,576,162,353.62
  5. Step 5: Solve for x
    x = 68,576,162,353.62/292,447.32
  6. Step 6: Final answer
    x = 234,490.65

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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.