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Finding the Fourth Proportional to 262,495.28, 393,365.64 and 112,695.68

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Solution

The fourth proportional to 262,495.28, 393,365.64 and 112,695.68 is: 168,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,495.28 : 393,365.64 = 112,695.68 : x
  2. Step 2: Convert to fraction form
    262,495.28/393,365.64 = 112,695.68/x
  3. Step 3: Cross multiply
    262,495.28x = 393,365.64 × 112,695.68
  4. Step 4: Simplify right side
    262,495.28x = 44,330,608,288.44
  5. Step 5: Solve for x
    x = 44,330,608,288.44/262,495.28
  6. Step 6: Final answer
    x = 168,881.54

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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.