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Finding the Fourth Proportional to 452,372.13, 677,524.62 and 215,880.90

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Solution

The fourth proportional to 452,372.13, 677,524.62 and 215,880.90 is: 323,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,372.13 : 677,524.62 = 215,880.90 : x
  2. Step 2: Convert to fraction form
    452,372.13/677,524.62 = 215,880.90/x
  3. Step 3: Cross multiply
    452,372.13x = 677,524.62 × 215,880.90
  4. Step 4: Simplify right side
    452,372.13x = 146,264,624,737.76
  5. Step 5: Solve for x
    x = 146,264,624,737.76/452,372.13
  6. Step 6: Final answer
    x = 323,328.11

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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.