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Finding the Fourth Proportional to 622,516.86, 934,066.92 and 306,801.54

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Solution

The fourth proportional to 622,516.86, 934,066.92 and 306,801.54 is: 460,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,516.86 : 934,066.92 = 306,801.54 : x
  2. Step 2: Convert to fraction form
    622,516.86/934,066.92 = 306,801.54/x
  3. Step 3: Cross multiply
    622,516.86x = 934,066.92 × 306,801.54
  4. Step 4: Simplify right side
    622,516.86x = 286,573,169,519.06
  5. Step 5: Solve for x
    x = 286,573,169,519.06/622,516.86
  6. Step 6: Final answer
    x = 460,346.04

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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.