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Finding the Fourth Proportional to 366,345.89, 505,730.48 and 245,566.09

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Solution

The fourth proportional to 366,345.89, 505,730.48 and 245,566.09 is: 338,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,345.89 : 505,730.48 = 245,566.09 : x
  2. Step 2: Convert to fraction form
    366,345.89/505,730.48 = 245,566.09/x
  3. Step 3: Cross multiply
    366,345.89x = 505,730.48 × 245,566.09
  4. Step 4: Simplify right side
    366,345.89x = 124,190,252,810.94
  5. Step 5: Solve for x
    x = 124,190,252,810.94/366,345.89
  6. Step 6: Final answer
    x = 338,997.26

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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.