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Finding the Fourth Proportional to 203,798.76, 303,586.20 and 200,445.36

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Solution

The fourth proportional to 203,798.76, 303,586.20 and 200,445.36 is: 298,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,798.76 : 303,586.20 = 200,445.36 : x
  2. Step 2: Convert to fraction form
    203,798.76/303,586.20 = 200,445.36/x
  3. Step 3: Cross multiply
    203,798.76x = 303,586.20 × 200,445.36
  4. Step 4: Simplify right side
    203,798.76x = 60,852,445,150.03
  5. Step 5: Solve for x
    x = 60,852,445,150.03/203,798.76
  6. Step 6: Final answer
    x = 298,590.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.