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Finding the Fourth Proportional to 356,922, 492,529.32 and 195,742.80

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Solution

The fourth proportional to 356,922, 492,529.32 and 195,742.80 is: 270,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,922 : 492,529.32 = 195,742.80 : x
  2. Step 2: Convert to fraction form
    356,922/492,529.32 = 195,742.80/x
  3. Step 3: Cross multiply
    356,922x = 492,529.32 × 195,742.80
  4. Step 4: Simplify right side
    356,922x = 96,409,068,178.90
  5. Step 5: Solve for x
    x = 96,409,068,178.90/356,922
  6. Step 6: Final answer
    x = 270,112.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.