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Finding the Fourth Proportional to 262,365.52, 393,560.57 and 84,886.42

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Solution

The fourth proportional to 262,365.52, 393,560.57 and 84,886.42 is: 127,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,365.52 : 393,560.57 = 84,886.42 : x
  2. Step 2: Convert to fraction form
    262,365.52/393,560.57 = 84,886.42/x
  3. Step 3: Cross multiply
    262,365.52x = 393,560.57 × 84,886.42
  4. Step 4: Simplify right side
    262,365.52x = 33,407,945,448.22
  5. Step 5: Solve for x
    x = 33,407,945,448.22/262,365.52
  6. Step 6: Final answer
    x = 127,333.60

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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.