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Finding the Fourth Proportional to 407,239.73, 562,072.61 and 235,185.71

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Solution

The fourth proportional to 407,239.73, 562,072.61 and 235,185.71 is: 324,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,239.73 : 562,072.61 = 235,185.71 : x
  2. Step 2: Convert to fraction form
    407,239.73/562,072.61 = 235,185.71/x
  3. Step 3: Cross multiply
    407,239.73x = 562,072.61 × 235,185.71
  4. Step 4: Simplify right side
    407,239.73x = 132,191,445,442.68
  5. Step 5: Solve for x
    x = 132,191,445,442.68/407,239.73
  6. Step 6: Final answer
    x = 324,603.51

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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.