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Finding the Fourth Proportional to 377,058.05, 520,343.49 and 204,976.34

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Solution

The fourth proportional to 377,058.05, 520,343.49 and 204,976.34 is: 282,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,058.05 : 520,343.49 = 204,976.34 : x
  2. Step 2: Convert to fraction form
    377,058.05/520,343.49 = 204,976.34/x
  3. Step 3: Cross multiply
    377,058.05x = 520,343.49 × 204,976.34
  4. Step 4: Simplify right side
    377,058.05x = 106,658,104,123.03
  5. Step 5: Solve for x
    x = 106,658,104,123.03/377,058.05
  6. Step 6: Final answer
    x = 282,869.19

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1.5x scale

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.