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Finding the Fourth Proportional to 398,958.08, 597,920.06 and 162,025.52

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Solution

The fourth proportional to 398,958.08, 597,920.06 and 162,025.52 is: 242,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,958.08 : 597,920.06 = 162,025.52 : x
  2. Step 2: Convert to fraction form
    398,958.08/597,920.06 = 162,025.52/x
  3. Step 3: Cross multiply
    398,958.08x = 597,920.06 × 162,025.52
  4. Step 4: Simplify right side
    398,958.08x = 96,878,308,639.93
  5. Step 5: Solve for x
    x = 96,878,308,639.93/398,958.08
  6. Step 6: Final answer
    x = 242,828.29

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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.