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Finding the Fourth Proportional to 368,204.23, 508,062.56 and 207,049.67

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Solution

The fourth proportional to 368,204.23, 508,062.56 and 207,049.67 is: 285,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,204.23 : 508,062.56 = 207,049.67 : x
  2. Step 2: Convert to fraction form
    368,204.23/508,062.56 = 207,049.67/x
  3. Step 3: Cross multiply
    368,204.23x = 508,062.56 × 207,049.67
  4. Step 4: Simplify right side
    368,204.23x = 105,194,181,811.79
  5. Step 5: Solve for x
    x = 105,194,181,811.79/368,204.23
  6. Step 6: Final answer
    x = 285,695.21

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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.