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Finding the Fourth Proportional to 417,051.75, 625,580.93 and 273,078.89

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Solution

The fourth proportional to 417,051.75, 625,580.93 and 273,078.89 is: 409,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,051.75 : 625,580.93 = 273,078.89 : x
  2. Step 2: Convert to fraction form
    417,051.75/625,580.93 = 273,078.89/x
  3. Step 3: Cross multiply
    417,051.75x = 625,580.93 × 273,078.89
  4. Step 4: Simplify right side
    417,051.75x = 170,832,945,969.57
  5. Step 5: Solve for x
    x = 170,832,945,969.57/417,051.75
  6. Step 6: Final answer
    x = 409,620.50

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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.