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Finding the Fourth Proportional to 273,748.04, 411,351.05 and 147,485.24

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Solution

The fourth proportional to 273,748.04, 411,351.05 and 147,485.24 is: 221,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,748.04 : 411,351.05 = 147,485.24 : x
  2. Step 2: Convert to fraction form
    273,748.04/411,351.05 = 147,485.24/x
  3. Step 3: Cross multiply
    273,748.04x = 411,351.05 × 147,485.24
  4. Step 4: Simplify right side
    273,748.04x = 60,668,205,539.32
  5. Step 5: Solve for x
    x = 60,668,205,539.32/273,748.04
  6. Step 6: Final answer
    x = 221,620.61

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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.