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Finding the Fourth Proportional to 342,396,466.64, 472,509,803.08 and 201,229,786.64

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Solution

The fourth proportional to 342,396,466.64, 472,509,803.08 and 201,229,786.64 is: 277,698,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,396,466.64 : 472,509,803.08 = 201,229,786.64 : x
  2. Step 2: Convert to fraction form
    342,396,466.64/472,509,803.08 = 201,229,786.64/x
  3. Step 3: Cross multiply
    342,396,466.64x = 472,509,803.08 × 201,229,786.64
  4. Step 4: Simplify right side
    342,396,466.64x = 95,083,046,859,096,800
  5. Step 5: Solve for x
    x = 95,083,046,859,096,800/342,396,466.64
  6. Step 6: Final answer
    x = 277,698,680.11

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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.