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Finding the Fourth Proportional to 728,876,000.40, 1,093,314,000.60 and 728,876,000.40

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Solution

The fourth proportional to 728,876,000.40, 1,093,314,000.60 and 728,876,000.40 is: 1,093,314,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,876,000.40 : 1,093,314,000.60 = 728,876,000.40 : x
  2. Step 2: Convert to fraction form
    728,876,000.40/1,093,314,000.60 = 728,876,000.40/x
  3. Step 3: Cross multiply
    728,876,000.40x = 1,093,314,000.60 × 728,876,000.40
  4. Step 4: Simplify right side
    728,876,000.40x = 796,890,335,938,651,136
  5. Step 5: Solve for x
    x = 796,890,335,938,651,136/728,876,000.40
  6. Step 6: Final answer
    x = 1,093,314,000.60

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1.5x scale

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.