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Finding the Fourth Proportional to 364,152.85, 502,531.02 and 203,004.43

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Solution

The fourth proportional to 364,152.85, 502,531.02 and 203,004.43 is: 280,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,152.85 : 502,531.02 = 203,004.43 : x
  2. Step 2: Convert to fraction form
    364,152.85/502,531.02 = 203,004.43/x
  3. Step 3: Cross multiply
    364,152.85x = 502,531.02 × 203,004.43
  4. Step 4: Simplify right side
    364,152.85x = 102,016,022,016.09
  5. Step 5: Solve for x
    x = 102,016,022,016.09/364,152.85
  6. Step 6: Final answer
    x = 280,146.16

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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.