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Finding the Fourth Proportional to 373,256.64, 515,099.52 and 203,499.36

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Solution

The fourth proportional to 373,256.64, 515,099.52 and 203,499.36 is: 280,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,256.64 : 515,099.52 = 203,499.36 : x
  2. Step 2: Convert to fraction form
    373,256.64/515,099.52 = 203,499.36/x
  3. Step 3: Cross multiply
    373,256.64x = 515,099.52 × 203,499.36
  4. Step 4: Simplify right side
    373,256.64x = 104,822,422,656.31
  5. Step 5: Solve for x
    x = 104,822,422,656.31/373,256.64
  6. Step 6: Final answer
    x = 280,832.04

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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.