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Finding the Fourth Proportional to 554,253.70, 831,708.60 and 365,260.45

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Solution

The fourth proportional to 554,253.70, 831,708.60 and 365,260.45 is: 548,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,253.70 : 831,708.60 = 365,260.45 : x
  2. Step 2: Convert to fraction form
    554,253.70/831,708.60 = 365,260.45/x
  3. Step 3: Cross multiply
    554,253.70x = 831,708.60 × 365,260.45
  4. Step 4: Simplify right side
    554,253.70x = 303,790,257,504.87
  5. Step 5: Solve for x
    x = 303,790,257,504.87/554,253.70
  6. Step 6: Final answer
    x = 548,106.86

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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.