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Finding the Fourth Proportional to 358,942.06, 495,340.19 and 195,597.46

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Solution

The fourth proportional to 358,942.06, 495,340.19 and 195,597.46 is: 269,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,942.06 : 495,340.19 = 195,597.46 : x
  2. Step 2: Convert to fraction form
    358,942.06/495,340.19 = 195,597.46/x
  3. Step 3: Cross multiply
    358,942.06x = 495,340.19 × 195,597.46
  4. Step 4: Simplify right side
    358,942.06x = 96,887,282,999.92
  5. Step 5: Solve for x
    x = 96,887,282,999.92/358,942.06
  6. Step 6: Final answer
    x = 269,924.58

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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.