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Finding the Fourth Proportional to 445,585.78, 614,908.53 and 241,636.64

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Solution

The fourth proportional to 445,585.78, 614,908.53 and 241,636.64 is: 333,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,585.78 : 614,908.53 = 241,636.64 : x
  2. Step 2: Convert to fraction form
    445,585.78/614,908.53 = 241,636.64/x
  3. Step 3: Cross multiply
    445,585.78x = 614,908.53 × 241,636.64
  4. Step 4: Simplify right side
    445,585.78x = 148,584,431,096.54
  5. Step 5: Solve for x
    x = 148,584,431,096.54/445,585.78
  6. Step 6: Final answer
    x = 333,458.65

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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.