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Finding the Fourth Proportional to 574,364.06, 862,078.04 and 290,254.54

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Solution

The fourth proportional to 574,364.06, 862,078.04 and 290,254.54 is: 435,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,364.06 : 862,078.04 = 290,254.54 : x
  2. Step 2: Convert to fraction form
    574,364.06/862,078.04 = 290,254.54/x
  3. Step 3: Cross multiply
    574,364.06x = 862,078.04 × 290,254.54
  4. Step 4: Simplify right side
    574,364.06x = 250,222,064,042.69
  5. Step 5: Solve for x
    x = 250,222,064,042.69/574,364.06
  6. Step 6: Final answer
    x = 435,650.63

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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.