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Finding the Fourth Proportional to 398,959.90, 597,922.79 and 162,027.34

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Solution

The fourth proportional to 398,959.90, 597,922.79 and 162,027.34 is: 242,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,959.90 : 597,922.79 = 162,027.34 : x
  2. Step 2: Convert to fraction form
    398,959.90/597,922.79 = 162,027.34/x
  3. Step 3: Cross multiply
    398,959.90x = 597,922.79 × 162,027.34
  4. Step 4: Simplify right side
    398,959.90x = 96,879,836,199.46
  5. Step 5: Solve for x
    x = 96,879,836,199.46/398,959.90
  6. Step 6: Final answer
    x = 242,831.01

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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.