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Finding the Fourth Proportional to 268,382.40, 402,573.60 and 110,529.60

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Solution

The fourth proportional to 268,382.40, 402,573.60 and 110,529.60 is: 165,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,382.40 : 402,573.60 = 110,529.60 : x
  2. Step 2: Convert to fraction form
    268,382.40/402,573.60 = 110,529.60/x
  3. Step 3: Cross multiply
    268,382.40x = 402,573.60 × 110,529.60
  4. Step 4: Simplify right side
    268,382.40x = 44,496,298,978.56
  5. Step 5: Solve for x
    x = 44,496,298,978.56/268,382.40
  6. Step 6: Final answer
    x = 165,794.40

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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.