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Finding the Fourth Proportional to 622,519.86, 934,071.42 and 306,804.54

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Solution

The fourth proportional to 622,519.86, 934,071.42 and 306,804.54 is: 460,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,519.86 : 934,071.42 = 306,804.54 : x
  2. Step 2: Convert to fraction form
    622,519.86/934,071.42 = 306,804.54/x
  3. Step 3: Cross multiply
    622,519.86x = 934,071.42 × 306,804.54
  4. Step 4: Simplify right side
    622,519.86x = 286,577,352,340.25
  5. Step 5: Solve for x
    x = 286,577,352,340.25/622,519.86
  6. Step 6: Final answer
    x = 460,350.54

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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.