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Finding the Fourth Proportional to 407,760.54, 562,668.36 and 238,093.08

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Solution

The fourth proportional to 407,760.54, 562,668.36 and 238,093.08 is: 328,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,760.54 : 562,668.36 = 238,093.08 : x
  2. Step 2: Convert to fraction form
    407,760.54/562,668.36 = 238,093.08/x
  3. Step 3: Cross multiply
    407,760.54x = 562,668.36 × 238,093.08
  4. Step 4: Simplify right side
    407,760.54x = 133,967,442,850.95
  5. Step 5: Solve for x
    x = 133,967,442,850.95/407,760.54
  6. Step 6: Final answer
    x = 328,544.40

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1.5x scale

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.