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Finding the Fourth Proportional to 357,145.56, 492,859.44 and 196,003.26

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Solution

The fourth proportional to 357,145.56, 492,859.44 and 196,003.26 is: 270,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,145.56 : 492,859.44 = 196,003.26 : x
  2. Step 2: Convert to fraction form
    357,145.56/492,859.44 = 196,003.26/x
  3. Step 3: Cross multiply
    357,145.56x = 492,859.44 × 196,003.26
  4. Step 4: Simplify right side
    357,145.56x = 96,602,056,961.77
  5. Step 5: Solve for x
    x = 96,602,056,961.77/357,145.56
  6. Step 6: Final answer
    x = 270,483.71

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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.