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Finding the Fourth Proportional to 377,083.63, 520,385.68 and 205,013.18

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Solution

The fourth proportional to 377,083.63, 520,385.68 and 205,013.18 is: 282,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,083.63 : 520,385.68 = 205,013.18 : x
  2. Step 2: Convert to fraction form
    377,083.63/520,385.68 = 205,013.18/x
  3. Step 3: Cross multiply
    377,083.63x = 520,385.68 × 205,013.18
  4. Step 4: Simplify right side
    377,083.63x = 106,685,923,083.26
  5. Step 5: Solve for x
    x = 106,685,923,083.26/377,083.63
  6. Step 6: Final answer
    x = 282,923.77

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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.