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Finding the Fourth Proportional to 451,032, 622,424.16 and 272,184

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Solution

The fourth proportional to 451,032, 622,424.16 and 272,184 is: 375,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,032 : 622,424.16 = 272,184 : x
  2. Step 2: Convert to fraction form
    451,032/622,424.16 = 272,184/x
  3. Step 3: Cross multiply
    451,032x = 622,424.16 × 272,184
  4. Step 4: Simplify right side
    451,032x = 169,413,897,565.44
  5. Step 5: Solve for x
    x = 169,413,897,565.44/451,032
  6. Step 6: Final answer
    x = 375,613.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.