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Finding the Fourth Proportional to 377,972.92, 566,960.16 and 354,878.20

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Solution

The fourth proportional to 377,972.92, 566,960.16 and 354,878.20 is: 532,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,972.92 : 566,960.16 = 354,878.20 : x
  2. Step 2: Convert to fraction form
    377,972.92/566,960.16 = 354,878.20/x
  3. Step 3: Cross multiply
    377,972.92x = 566,960.16 × 354,878.20
  4. Step 4: Simplify right side
    377,972.92x = 201,201,801,052.51
  5. Step 5: Solve for x
    x = 201,201,801,052.51/377,972.92
  6. Step 6: Final answer
    x = 532,318.03

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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.