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Finding the Fourth Proportional to 407,647.88, 562,605.92 and 246,504.05

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Solution

The fourth proportional to 407,647.88, 562,605.92 and 246,504.05 is: 340,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,647.88 : 562,605.92 = 246,504.05 : x
  2. Step 2: Convert to fraction form
    407,647.88/562,605.92 = 246,504.05/x
  3. Step 3: Cross multiply
    407,647.88x = 562,605.92 × 246,504.05
  4. Step 4: Simplify right side
    407,647.88x = 138,684,637,833.98
  5. Step 5: Solve for x
    x = 138,684,637,833.98/407,647.88
  6. Step 6: Final answer
    x = 340,206.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.