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Finding the Fourth Proportional to 377,060.83, 520,347.32 and 204,979.12

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Solution

The fourth proportional to 377,060.83, 520,347.32 and 204,979.12 is: 282,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,060.83 : 520,347.32 = 204,979.12 : x
  2. Step 2: Convert to fraction form
    377,060.83/520,347.32 = 204,979.12/x
  3. Step 3: Cross multiply
    377,060.83x = 520,347.32 × 204,979.12
  4. Step 4: Simplify right side
    377,060.83x = 106,660,335,747.96
  5. Step 5: Solve for x
    x = 106,660,335,747.96/377,060.83
  6. Step 6: Final answer
    x = 282,873.02

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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.