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Finding the Fourth Proportional to 366,045.74, 505,118.46 and 202,690.50

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Solution

The fourth proportional to 366,045.74, 505,118.46 and 202,690.50 is: 279,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,045.74 : 505,118.46 = 202,690.50 : x
  2. Step 2: Convert to fraction form
    366,045.74/505,118.46 = 202,690.50/x
  3. Step 3: Cross multiply
    366,045.74x = 505,118.46 × 202,690.50
  4. Step 4: Simplify right side
    366,045.74x = 102,382,713,216.63
  5. Step 5: Solve for x
    x = 102,382,713,216.63/366,045.74
  6. Step 6: Final answer
    x = 279,699.24

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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.