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Finding the Fourth Proportional to 356,093,704.40, 534,140,556.60 and 264,260,699.60

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Solution

The fourth proportional to 356,093,704.40, 534,140,556.60 and 264,260,699.60 is: 396,391,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,093,704.40 : 534,140,556.60 = 264,260,699.60 : x
  2. Step 2: Convert to fraction form
    356,093,704.40/534,140,556.60 = 264,260,699.60/x
  3. Step 3: Cross multiply
    356,093,704.40x = 534,140,556.60 × 264,260,699.60
  4. Step 4: Simplify right side
    356,093,704.40x = 141,152,357,171,849,408
  5. Step 5: Solve for x
    x = 141,152,357,171,849,408/356,093,704.40
  6. Step 6: Final answer
    x = 396,391,049.40

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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.