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Finding the Fourth Proportional to 456,950.06, 685,568.48 and 274,790.52

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Solution

The fourth proportional to 456,950.06, 685,568.48 and 274,790.52 is: 412,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,950.06 : 685,568.48 = 274,790.52 : x
  2. Step 2: Convert to fraction form
    456,950.06/685,568.48 = 274,790.52/x
  3. Step 3: Cross multiply
    456,950.06x = 685,568.48 × 274,790.52
  4. Step 4: Simplify right side
    456,950.06x = 188,387,719,114.81
  5. Step 5: Solve for x
    x = 188,387,719,114.81/456,950.06
  6. Step 6: Final answer
    x = 412,272.01

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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.