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Finding the Fourth Proportional to 407,003.42, 561,700.24 and 237,233.90

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Solution

The fourth proportional to 407,003.42, 561,700.24 and 237,233.90 is: 327,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,003.42 : 561,700.24 = 237,233.90 : x
  2. Step 2: Convert to fraction form
    407,003.42/561,700.24 = 237,233.90/x
  3. Step 3: Cross multiply
    407,003.42x = 561,700.24 × 237,233.90
  4. Step 4: Simplify right side
    407,003.42x = 133,254,338,566.14
  5. Step 5: Solve for x
    x = 133,254,338,566.14/407,003.42
  6. Step 6: Final answer
    x = 327,403.49

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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.