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Finding the Fourth Proportional to 551,395.60, 826,056.60 and 284,246.80

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Solution

The fourth proportional to 551,395.60, 826,056.60 and 284,246.80 is: 425,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,395.60 : 826,056.60 = 284,246.80 : x
  2. Step 2: Convert to fraction form
    551,395.60/826,056.60 = 284,246.80/x
  3. Step 3: Cross multiply
    551,395.60x = 826,056.60 × 284,246.80
  4. Step 4: Simplify right side
    551,395.60x = 234,803,945,168.88
  5. Step 5: Solve for x
    x = 234,803,945,168.88/551,395.60
  6. Step 6: Final answer
    x = 425,835.73

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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.