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Finding the Fourth Proportional to 467,021.22, 644,490.45 and 270,825.72

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Solution

The fourth proportional to 467,021.22, 644,490.45 and 270,825.72 is: 373,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,021.22 : 644,490.45 = 270,825.72 : x
  2. Step 2: Convert to fraction form
    467,021.22/644,490.45 = 270,825.72/x
  3. Step 3: Cross multiply
    467,021.22x = 644,490.45 × 270,825.72
  4. Step 4: Simplify right side
    467,021.22x = 174,544,590,154.37
  5. Step 5: Solve for x
    x = 174,544,590,154.37/467,021.22
  6. Step 6: Final answer
    x = 373,740.17

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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.