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Finding the Fourth Proportional to 357,127.01, 492,841.26 and 195,997.05

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Solution

The fourth proportional to 357,127.01, 492,841.26 and 195,997.05 is: 270,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,127.01 : 492,841.26 = 195,997.05 : x
  2. Step 2: Convert to fraction form
    357,127.01/492,841.26 = 195,997.05/x
  3. Step 3: Cross multiply
    357,127.01x = 492,841.26 × 195,997.05
  4. Step 4: Simplify right side
    357,127.01x = 96,595,433,078.28
  5. Step 5: Solve for x
    x = 96,595,433,078.28/357,127.01
  6. Step 6: Final answer
    x = 270,479.21

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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.