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Finding the Fourth Proportional to 357,140.61, 492,838.56 and 195,998.37

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Solution

The fourth proportional to 357,140.61, 492,838.56 and 195,998.37 is: 270,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,140.61 : 492,838.56 = 195,998.37 : x
  2. Step 2: Convert to fraction form
    357,140.61/492,838.56 = 195,998.37/x
  3. Step 3: Cross multiply
    357,140.61x = 492,838.56 × 195,998.37
  4. Step 4: Simplify right side
    357,140.61x = 96,595,554,433.15
  5. Step 5: Solve for x
    x = 96,595,554,433.15/357,140.61
  6. Step 6: Final answer
    x = 270,469.25

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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.