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Finding the Fourth Proportional to 273,907.80, 411,284.10 and 149,491.80

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Solution

The fourth proportional to 273,907.80, 411,284.10 and 149,491.80 is: 224,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,907.80 : 411,284.10 = 149,491.80 : x
  2. Step 2: Convert to fraction form
    273,907.80/411,284.10 = 149,491.80/x
  3. Step 3: Cross multiply
    273,907.80x = 411,284.10 × 149,491.80
  4. Step 4: Simplify right side
    273,907.80x = 61,483,600,420.38
  5. Step 5: Solve for x
    x = 61,483,600,420.38/273,907.80
  6. Step 6: Final answer
    x = 224,468.24

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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.