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Finding the Fourth Proportional to 342,192.36, 472,254.66 and 198,943.32

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Solution

The fourth proportional to 342,192.36, 472,254.66 and 198,943.32 is: 274,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,192.36 : 472,254.66 = 198,943.32 : x
  2. Step 2: Convert to fraction form
    342,192.36/472,254.66 = 198,943.32/x
  3. Step 3: Cross multiply
    342,192.36x = 472,254.66 × 198,943.32
  4. Step 4: Simplify right side
    342,192.36x = 93,951,909,945.87
  5. Step 5: Solve for x
    x = 93,951,909,945.87/342,192.36
  6. Step 6: Final answer
    x = 274,558.76

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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.