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Finding the Fourth Proportional to 493,356.09, 680,831.46 and 267,001.59

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Solution

The fourth proportional to 493,356.09, 680,831.46 and 267,001.59 is: 368,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,356.09 : 680,831.46 = 267,001.59 : x
  2. Step 2: Convert to fraction form
    493,356.09/680,831.46 = 267,001.59/x
  3. Step 3: Cross multiply
    493,356.09x = 680,831.46 × 267,001.59
  4. Step 4: Simplify right side
    493,356.09x = 181,783,082,342.02
  5. Step 5: Solve for x
    x = 181,783,082,342.02/493,356.09
  6. Step 6: Final answer
    x = 368,462.22

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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.