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Finding the Fourth Proportional to 363,802.22, 501,980.42 and 202,653.26

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Solution

The fourth proportional to 363,802.22, 501,980.42 and 202,653.26 is: 279,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,802.22 : 501,980.42 = 202,653.26 : x
  2. Step 2: Convert to fraction form
    363,802.22/501,980.42 = 202,653.26/x
  3. Step 3: Cross multiply
    363,802.22x = 501,980.42 × 202,653.26
  4. Step 4: Simplify right side
    363,802.22x = 101,727,968,569.17
  5. Step 5: Solve for x
    x = 101,727,968,569.17/363,802.22
  6. Step 6: Final answer
    x = 279,624.38

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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.