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Finding the Fourth Proportional to 526,140,015.20, 737,805,344.80 and 526,140,015.20

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Solution

The fourth proportional to 526,140,015.20, 737,805,344.80 and 526,140,015.20 is: 737,805,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,140,015.20 : 737,805,344.80 = 526,140,015.20 : x
  2. Step 2: Convert to fraction form
    526,140,015.20/737,805,344.80 = 526,140,015.20/x
  3. Step 3: Cross multiply
    526,140,015.20x = 737,805,344.80 × 526,140,015.20
  4. Step 4: Simplify right side
    526,140,015.20x = 388,188,915,327,713,216
  5. Step 5: Solve for x
    x = 388,188,915,327,713,216/526,140,015.20
  6. Step 6: Final answer
    x = 737,805,344.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.