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Finding the Fourth Proportional to 630,383.85, 944,708.47 and 270,123.46

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Solution

The fourth proportional to 630,383.85, 944,708.47 and 270,123.46 is: 404,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,383.85 : 944,708.47 = 270,123.46 : x
  2. Step 2: Convert to fraction form
    630,383.85/944,708.47 = 270,123.46/x
  3. Step 3: Cross multiply
    630,383.85x = 944,708.47 × 270,123.46
  4. Step 4: Simplify right side
    630,383.85x = 255,187,917,570.63
  5. Step 5: Solve for x
    x = 255,187,917,570.63/630,383.85
  6. Step 6: Final answer
    x = 404,813.54

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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.