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Finding the Fourth Proportional to 547,793.35, 821,690.03 and 463,812.55

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Solution

The fourth proportional to 547,793.35, 821,690.03 and 463,812.55 is: 695,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,793.35 : 821,690.03 = 463,812.55 : x
  2. Step 2: Convert to fraction form
    547,793.35/821,690.03 = 463,812.55/x
  3. Step 3: Cross multiply
    547,793.35x = 821,690.03 × 463,812.55
  4. Step 4: Simplify right side
    547,793.35x = 381,110,145,804.81
  5. Step 5: Solve for x
    x = 381,110,145,804.81/547,793.35
  6. Step 6: Final answer
    x = 695,718.83

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Similar ratio
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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.