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Finding the Fourth Proportional to 273,454.47, 409,591.20 and 266,762.25

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Solution

The fourth proportional to 273,454.47, 409,591.20 and 266,762.25 is: 399,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,454.47 : 409,591.20 = 266,762.25 : x
  2. Step 2: Convert to fraction form
    273,454.47/409,591.20 = 266,762.25/x
  3. Step 3: Cross multiply
    273,454.47x = 409,591.20 × 266,762.25
  4. Step 4: Simplify right side
    273,454.47x = 109,263,470,092.20
  5. Step 5: Solve for x
    x = 109,263,470,092.20/273,454.47
  6. Step 6: Final answer
    x = 399,567.32

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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.