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Finding the Fourth Proportional to 398,958.33, 597,920.45 and 162,025.77

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Solution

The fourth proportional to 398,958.33, 597,920.45 and 162,025.77 is: 242,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,958.33 : 597,920.45 = 162,025.77 : x
  2. Step 2: Convert to fraction form
    398,958.33/597,920.45 = 162,025.77/x
  3. Step 3: Cross multiply
    398,958.33x = 597,920.45 × 162,025.77
  4. Step 4: Simplify right side
    398,958.33x = 96,878,520,499.87
  5. Step 5: Solve for x
    x = 96,878,520,499.87/398,958.33
  6. Step 6: Final answer
    x = 242,828.67

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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.