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Finding the Fourth Proportional to 405,904.41, 606,367.67 and 292,617.81

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Solution

The fourth proportional to 405,904.41, 606,367.67 and 292,617.81 is: 437,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,904.41 : 606,367.67 = 292,617.81 : x
  2. Step 2: Convert to fraction form
    405,904.41/606,367.67 = 292,617.81/x
  3. Step 3: Cross multiply
    405,904.41x = 606,367.67 × 292,617.81
  4. Step 4: Simplify right side
    405,904.41x = 177,433,978,187.11
  5. Step 5: Solve for x
    x = 177,433,978,187.11/405,904.41
  6. Step 6: Final answer
    x = 437,132.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.