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Finding the Fourth Proportional to 364,049.36, 502,405.32 and 202,905.56

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Solution

The fourth proportional to 364,049.36, 502,405.32 and 202,905.56 is: 280,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,049.36 : 502,405.32 = 202,905.56 : x
  2. Step 2: Convert to fraction form
    364,049.36/502,405.32 = 202,905.56/x
  3. Step 3: Cross multiply
    364,049.36x = 502,405.32 × 202,905.56
  4. Step 4: Simplify right side
    364,049.36x = 101,940,832,801.58
  5. Step 5: Solve for x
    x = 101,940,832,801.58/364,049.36
  6. Step 6: Final answer
    x = 280,019.26

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1.5x scale

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.