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Finding the Fourth Proportional to 367,075.20, 550,612.80 and 273,763.20

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Solution

The fourth proportional to 367,075.20, 550,612.80 and 273,763.20 is: 410,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,075.20 : 550,612.80 = 273,763.20 : x
  2. Step 2: Convert to fraction form
    367,075.20/550,612.80 = 273,763.20/x
  3. Step 3: Cross multiply
    367,075.20x = 550,612.80 × 273,763.20
  4. Step 4: Simplify right side
    367,075.20x = 150,737,522,088.96
  5. Step 5: Solve for x
    x = 150,737,522,088.96/367,075.20
  6. Step 6: Final answer
    x = 410,644.80

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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.