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Finding the Fourth Proportional to 262,595.76, 393,755.40 and 179,513.52

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Solution

The fourth proportional to 262,595.76, 393,755.40 and 179,513.52 is: 269,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,595.76 : 393,755.40 = 179,513.52 : x
  2. Step 2: Convert to fraction form
    262,595.76/393,755.40 = 179,513.52/x
  3. Step 3: Cross multiply
    262,595.76x = 393,755.40 × 179,513.52
  4. Step 4: Simplify right side
    262,595.76x = 70,684,417,873.01
  5. Step 5: Solve for x
    x = 70,684,417,873.01/262,595.76
  6. Step 6: Final answer
    x = 269,175.78

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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.