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Finding the Fourth Proportional to 377,293.95, 520,660.44 and 205,208.19

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Solution

The fourth proportional to 377,293.95, 520,660.44 and 205,208.19 is: 283,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,293.95 : 520,660.44 = 205,208.19 : x
  2. Step 2: Convert to fraction form
    377,293.95/520,660.44 = 205,208.19/x
  3. Step 3: Cross multiply
    377,293.95x = 520,660.44 × 205,208.19
  4. Step 4: Simplify right side
    377,293.95x = 106,843,786,497.00
  5. Step 5: Solve for x
    x = 106,843,786,497.00/377,293.95
  6. Step 6: Final answer
    x = 283,184.47

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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.