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Finding the Fourth Proportional to 265,480.83, 398,279.52 and 195,146.91

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Solution

The fourth proportional to 265,480.83, 398,279.52 and 195,146.91 is: 292,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,480.83 : 398,279.52 = 195,146.91 : x
  2. Step 2: Convert to fraction form
    265,480.83/398,279.52 = 195,146.91/x
  3. Step 3: Cross multiply
    265,480.83x = 398,279.52 × 195,146.91
  4. Step 4: Simplify right side
    265,480.83x = 77,723,017,644.28
  5. Step 5: Solve for x
    x = 77,723,017,644.28/265,480.83
  6. Step 6: Final answer
    x = 292,763.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.