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Finding the Fourth Proportional to 377,553.54, 521,023.59 and 207,787.80

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Solution

The fourth proportional to 377,553.54, 521,023.59 and 207,787.80 is: 286,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,553.54 : 521,023.59 = 207,787.80 : x
  2. Step 2: Convert to fraction form
    377,553.54/521,023.59 = 207,787.80/x
  3. Step 3: Cross multiply
    377,553.54x = 521,023.59 × 207,787.80
  4. Step 4: Simplify right side
    377,553.54x = 108,262,345,514.20
  5. Step 5: Solve for x
    x = 108,262,345,514.20/377,553.54
  6. Step 6: Final answer
    x = 286,747.00

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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.