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Finding the Fourth Proportional to 524,555,940.45, 723,950,674.64 and 298,549,874.25

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Solution

The fourth proportional to 524,555,940.45, 723,950,674.64 and 298,549,874.25 is: 412,034,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,555,940.45 : 723,950,674.64 = 298,549,874.25 : x
  2. Step 2: Convert to fraction form
    524,555,940.45/723,950,674.64 = 298,549,874.25/x
  3. Step 3: Cross multiply
    524,555,940.45x = 723,950,674.64 × 298,549,874.25
  4. Step 4: Simplify right side
    524,555,940.45x = 216,135,382,876,367,296
  5. Step 5: Solve for x
    x = 216,135,382,876,367,296/524,555,940.45
  6. Step 6: Final answer
    x = 412,034,954.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.