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Finding the Fourth Proportional to 377,497.73, 520,969.31 and 216,363.14

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Solution

The fourth proportional to 377,497.73, 520,969.31 and 216,363.14 is: 298,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,497.73 : 520,969.31 = 216,363.14 : x
  2. Step 2: Convert to fraction form
    377,497.73/520,969.31 = 216,363.14/x
  3. Step 3: Cross multiply
    377,497.73x = 520,969.31 × 216,363.14
  4. Step 4: Simplify right side
    377,497.73x = 112,718,555,165.86
  5. Step 5: Solve for x
    x = 112,718,555,165.86/377,497.73
  6. Step 6: Final answer
    x = 298,594.00

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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.