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Finding the Fourth Proportional to 715,969,673.55, 1,073,954,510.33 and 715,969,673.55

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Solution

The fourth proportional to 715,969,673.55, 1,073,954,510.33 and 715,969,673.55 is: 1,073,954,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,969,673.55 : 1,073,954,510.33 = 715,969,673.55 : x
  2. Step 2: Convert to fraction form
    715,969,673.55/1,073,954,510.33 = 715,969,673.55/x
  3. Step 3: Cross multiply
    715,969,673.55x = 1,073,954,510.33 × 715,969,673.55
  4. Step 4: Simplify right side
    715,969,673.55x = 768,918,860,164,940,288
  5. Step 5: Solve for x
    x = 768,918,860,164,940,288/715,969,673.55
  6. Step 6: Final answer
    x = 1,073,954,510.33

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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.