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Finding the Fourth Proportional to 392,994.44, 542,332.22 and 214,146.44

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Solution

The fourth proportional to 392,994.44, 542,332.22 and 214,146.44 is: 295,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,994.44 : 542,332.22 = 214,146.44 : x
  2. Step 2: Convert to fraction form
    392,994.44/542,332.22 = 214,146.44/x
  3. Step 3: Cross multiply
    392,994.44x = 542,332.22 × 214,146.44
  4. Step 4: Simplify right side
    392,994.44x = 116,138,514,210.30
  5. Step 5: Solve for x
    x = 116,138,514,210.30/392,994.44
  6. Step 6: Final answer
    x = 295,522.03

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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.