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Finding the Fourth Proportional to 357,053.87, 492,765.53 and 195,940.42

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Solution

The fourth proportional to 357,053.87, 492,765.53 and 195,940.42 is: 270,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,053.87 : 492,765.53 = 195,940.42 : x
  2. Step 2: Convert to fraction form
    357,053.87/492,765.53 = 195,940.42/x
  3. Step 3: Cross multiply
    357,053.87x = 492,765.53 × 195,940.42
  4. Step 4: Simplify right side
    357,053.87x = 96,552,682,698.11
  5. Step 5: Solve for x
    x = 96,552,682,698.11/357,053.87
  6. Step 6: Final answer
    x = 270,414.89

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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.