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Finding the Fourth Proportional to 616,145.28, 850,184.64 and 347,867.52

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Solution

The fourth proportional to 616,145.28, 850,184.64 and 347,867.52 is: 480,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,145.28 : 850,184.64 = 347,867.52 : x
  2. Step 2: Convert to fraction form
    616,145.28/850,184.64 = 347,867.52/x
  3. Step 3: Cross multiply
    616,145.28x = 850,184.64 × 347,867.52
  4. Step 4: Simplify right side
    616,145.28x = 295,751,622,258.89
  5. Step 5: Solve for x
    x = 295,751,622,258.89/616,145.28
  6. Step 6: Final answer
    x = 480,003.06

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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.