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Finding the Fourth Proportional to 358,879.38, 495,254.03 and 195,535.05

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Solution

The fourth proportional to 358,879.38, 495,254.03 and 195,535.05 is: 269,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,879.38 : 495,254.03 = 195,535.05 : x
  2. Step 2: Convert to fraction form
    358,879.38/495,254.03 = 195,535.05/x
  3. Step 3: Cross multiply
    358,879.38x = 495,254.03 × 195,535.05
  4. Step 4: Simplify right side
    358,879.38x = 96,839,520,541.08
  5. Step 5: Solve for x
    x = 96,839,520,541.08/358,879.38
  6. Step 6: Final answer
    x = 269,838.63

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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.