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Finding the Fourth Proportional to 483,737.76, 725,622.84 and 168,197.40

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Solution

The fourth proportional to 483,737.76, 725,622.84 and 168,197.40 is: 252,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,737.76 : 725,622.84 = 168,197.40 : x
  2. Step 2: Convert to fraction form
    483,737.76/725,622.84 = 168,197.40/x
  3. Step 3: Cross multiply
    483,737.76x = 725,622.84 × 168,197.40
  4. Step 4: Simplify right side
    483,737.76x = 122,047,875,068.62
  5. Step 5: Solve for x
    x = 122,047,875,068.62/483,737.76
  6. Step 6: Final answer
    x = 252,301.73

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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.