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Finding the Fourth Proportional to 352,004.80, 526,840.80 and 247,028.80

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Solution

The fourth proportional to 352,004.80, 526,840.80 and 247,028.80 is: 369,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.80 : 526,840.80 = 247,028.80 : x
  2. Step 2: Convert to fraction form
    352,004.80/526,840.80 = 247,028.80/x
  3. Step 3: Cross multiply
    352,004.80x = 526,840.80 × 247,028.80
  4. Step 4: Simplify right side
    352,004.80x = 130,144,850,615.04
  5. Step 5: Solve for x
    x = 130,144,850,615.04/352,004.80
  6. Step 6: Final answer
    x = 369,724.65

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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.