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Finding the Fourth Proportional to 373,802.64, 515,847.48 and 204,036.84

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Solution

The fourth proportional to 373,802.64, 515,847.48 and 204,036.84 is: 281,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,802.64 : 515,847.48 = 204,036.84 : x
  2. Step 2: Convert to fraction form
    373,802.64/515,847.48 = 204,036.84/x
  3. Step 3: Cross multiply
    373,802.64x = 515,847.48 × 204,036.84
  4. Step 4: Simplify right side
    373,802.64x = 105,251,889,741.16
  5. Step 5: Solve for x
    x = 105,251,889,741.16/373,802.64
  6. Step 6: Final answer
    x = 281,570.75

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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.