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Finding the Fourth Proportional to 543,650.51, 750,258.78 and 301,951.44

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Solution

The fourth proportional to 543,650.51, 750,258.78 and 301,951.44 is: 416,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,650.51 : 750,258.78 = 301,951.44 : x
  2. Step 2: Convert to fraction form
    543,650.51/750,258.78 = 301,951.44/x
  3. Step 3: Cross multiply
    543,650.51x = 750,258.78 × 301,951.44
  4. Step 4: Simplify right side
    543,650.51x = 226,541,718,993.64
  5. Step 5: Solve for x
    x = 226,541,718,993.64/543,650.51
  6. Step 6: Final answer
    x = 416,704.69

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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.