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Finding the Fourth Proportional to 235,823.94, 325,632.96 and 218,728.98

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Solution

The fourth proportional to 235,823.94, 325,632.96 and 218,728.98 is: 302,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,823.94 : 325,632.96 = 218,728.98 : x
  2. Step 2: Convert to fraction form
    235,823.94/325,632.96 = 218,728.98/x
  3. Step 3: Cross multiply
    235,823.94x = 325,632.96 × 218,728.98
  4. Step 4: Simplify right side
    235,823.94x = 71,225,365,195.18
  5. Step 5: Solve for x
    x = 71,225,365,195.18/235,823.94
  6. Step 6: Final answer
    x = 302,027.71

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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.