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Finding the Fourth Proportional to 467,269.75, 644,831.76 and 252,409.78

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Solution

The fourth proportional to 467,269.75, 644,831.76 and 252,409.78 is: 348,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,269.75 : 644,831.76 = 252,409.78 : x
  2. Step 2: Convert to fraction form
    467,269.75/644,831.76 = 252,409.78/x
  3. Step 3: Cross multiply
    467,269.75x = 644,831.76 × 252,409.78
  4. Step 4: Simplify right side
    467,269.75x = 162,761,842,678.61
  5. Step 5: Solve for x
    x = 162,761,842,678.61/467,269.75
  6. Step 6: Final answer
    x = 348,325.23

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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.