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Finding the Fourth Proportional to 396,070.40, 594,032.70 and 246,042.20

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Solution

The fourth proportional to 396,070.40, 594,032.70 and 246,042.20 is: 369,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,070.40 : 594,032.70 = 246,042.20 : x
  2. Step 2: Convert to fraction form
    396,070.40/594,032.70 = 246,042.20/x
  3. Step 3: Cross multiply
    396,070.40x = 594,032.70 × 246,042.20
  4. Step 4: Simplify right side
    396,070.40x = 146,157,112,379.94
  5. Step 5: Solve for x
    x = 146,157,112,379.94/396,070.40
  6. Step 6: Final answer
    x = 369,018.01

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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.