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Finding the Fourth Proportional to 262,425.60, 393,832.80 and 104,767.20

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Solution

The fourth proportional to 262,425.60, 393,832.80 and 104,767.20 is: 157,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,425.60 : 393,832.80 = 104,767.20 : x
  2. Step 2: Convert to fraction form
    262,425.60/393,832.80 = 104,767.20/x
  3. Step 3: Cross multiply
    262,425.60x = 393,832.80 × 104,767.20
  4. Step 4: Simplify right side
    262,425.60x = 41,260,759,724.16
  5. Step 5: Solve for x
    x = 41,260,759,724.16/262,425.60
  6. Step 6: Final answer
    x = 157,228.41

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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.