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Finding the Fourth Proportional to 373,516.08, 515,448.90 and 203,746.56

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Solution

The fourth proportional to 373,516.08, 515,448.90 and 203,746.56 is: 281,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,516.08 : 515,448.90 = 203,746.56 : x
  2. Step 2: Convert to fraction form
    373,516.08/515,448.90 = 203,746.56/x
  3. Step 3: Cross multiply
    373,516.08x = 515,448.90 × 203,746.56
  4. Step 4: Simplify right side
    373,516.08x = 105,020,940,230.78
  5. Step 5: Solve for x
    x = 105,020,940,230.78/373,516.08
  6. Step 6: Final answer
    x = 281,168.46

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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.