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Finding the Fourth Proportional to 46,608,586.40, 69,912,879.60 and 46,608,586.40

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Solution

The fourth proportional to 46,608,586.40, 69,912,879.60 and 46,608,586.40 is: 69,912,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,608,586.40 : 69,912,879.60 = 46,608,586.40 : x
  2. Step 2: Convert to fraction form
    46,608,586.40/69,912,879.60 = 46,608,586.40/x
  3. Step 3: Cross multiply
    46,608,586.40x = 69,912,879.60 × 46,608,586.40
  4. Step 4: Simplify right side
    46,608,586.40x = 3,258,540,489,309,397
  5. Step 5: Solve for x
    x = 3,258,540,489,309,397/46,608,586.40
  6. Step 6: Final answer
    x = 69,912,879.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.