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Finding the Fourth Proportional to 341,220.47, 470,885.91 and 188,258.66

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Solution

The fourth proportional to 341,220.47, 470,885.91 and 188,258.66 is: 259,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,220.47 : 470,885.91 = 188,258.66 : x
  2. Step 2: Convert to fraction form
    341,220.47/470,885.91 = 188,258.66/x
  3. Step 3: Cross multiply
    341,220.47x = 470,885.91 × 188,258.66
  4. Step 4: Simplify right side
    341,220.47x = 88,648,347,810.54
  5. Step 5: Solve for x
    x = 88,648,347,810.54/341,220.47
  6. Step 6: Final answer
    x = 259,797.86

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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.