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Finding the Fourth Proportional to 361,069.02, 541,401.04 and 247,345.32

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Solution

The fourth proportional to 361,069.02, 541,401.04 and 247,345.32 is: 370,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,069.02 : 541,401.04 = 247,345.32 : x
  2. Step 2: Convert to fraction form
    361,069.02/541,401.04 = 247,345.32/x
  3. Step 3: Cross multiply
    361,069.02x = 541,401.04 × 247,345.32
  4. Step 4: Simplify right side
    361,069.02x = 133,913,013,487.13
  5. Step 5: Solve for x
    x = 133,913,013,487.13/361,069.02
  6. Step 6: Final answer
    x = 370,879.27

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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.