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Finding the Fourth Proportional to 357,125.92, 492,841.20 and 195,971.56

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Solution

The fourth proportional to 357,125.92, 492,841.20 and 195,971.56 is: 270,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,125.92 : 492,841.20 = 195,971.56 : x
  2. Step 2: Convert to fraction form
    357,125.92/492,841.20 = 195,971.56/x
  3. Step 3: Cross multiply
    357,125.92x = 492,841.20 × 195,971.56
  4. Step 4: Simplify right side
    357,125.92x = 96,582,858,796.27
  5. Step 5: Solve for x
    x = 96,582,858,796.27/357,125.92
  6. Step 6: Final answer
    x = 270,444.83

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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.