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Finding the Fourth Proportional to 341,256.45, 470,943.76 and 188,304.49

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Solution

The fourth proportional to 341,256.45, 470,943.76 and 188,304.49 is: 259,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,256.45 : 470,943.76 = 188,304.49 : x
  2. Step 2: Convert to fraction form
    341,256.45/470,943.76 = 188,304.49/x
  3. Step 3: Cross multiply
    341,256.45x = 470,943.76 × 188,304.49
  4. Step 4: Simplify right side
    341,256.45x = 88,680,823,603.96
  5. Step 5: Solve for x
    x = 88,680,823,603.96/341,256.45
  6. Step 6: Final answer
    x = 259,865.63

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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.