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Finding the Fourth Proportional to 467,138.20, 700,269.90 and 365,880.10

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Solution

The fourth proportional to 467,138.20, 700,269.90 and 365,880.10 is: 548,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,138.20 : 700,269.90 = 365,880.10 : x
  2. Step 2: Convert to fraction form
    467,138.20/700,269.90 = 365,880.10/x
  3. Step 3: Cross multiply
    467,138.20x = 700,269.90 × 365,880.10
  4. Step 4: Simplify right side
    467,138.20x = 256,214,821,038.99
  5. Step 5: Solve for x
    x = 256,214,821,038.99/467,138.20
  6. Step 6: Final answer
    x = 548,477.56

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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.