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Finding the Fourth Proportional to 377,638.62, 566,322.96 and 124,872.45

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Solution

The fourth proportional to 377,638.62, 566,322.96 and 124,872.45 is: 187,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,638.62 : 566,322.96 = 124,872.45 : x
  2. Step 2: Convert to fraction form
    377,638.62/566,322.96 = 124,872.45/x
  3. Step 3: Cross multiply
    377,638.62x = 566,322.96 × 124,872.45
  4. Step 4: Simplify right side
    377,638.62x = 70,718,135,506.45
  5. Step 5: Solve for x
    x = 70,718,135,506.45/377,638.62
  6. Step 6: Final answer
    x = 187,264.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.