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Finding the Fourth Proportional to 551,395.60, 827,093.40 and 374,448.40

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Solution

The fourth proportional to 551,395.60, 827,093.40 and 374,448.40 is: 561,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,395.60 : 827,093.40 = 374,448.40 : x
  2. Step 2: Convert to fraction form
    551,395.60/827,093.40 = 374,448.40/x
  3. Step 3: Cross multiply
    551,395.60x = 827,093.40 × 374,448.40
  4. Step 4: Simplify right side
    551,395.60x = 309,703,800,280.56
  5. Step 5: Solve for x
    x = 309,703,800,280.56/551,395.60
  6. Step 6: Final answer
    x = 561,672.60

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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.