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Finding the Fourth Proportional to 373,428.03, 515,325.06 and 203,662.16

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Solution

The fourth proportional to 373,428.03, 515,325.06 and 203,662.16 is: 281,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,428.03 : 515,325.06 = 203,662.16 : x
  2. Step 2: Convert to fraction form
    373,428.03/515,325.06 = 203,662.16/x
  3. Step 3: Cross multiply
    373,428.03x = 515,325.06 × 203,662.16
  4. Step 4: Simplify right side
    373,428.03x = 104,952,212,245.10
  5. Step 5: Solve for x
    x = 104,952,212,245.10/373,428.03
  6. Step 6: Final answer
    x = 281,050.71

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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.