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Finding the Fourth Proportional to 298,980,995.60, 448,471,493.40 and 264,968,771.60

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Solution

The fourth proportional to 298,980,995.60, 448,471,493.40 and 264,968,771.60 is: 397,453,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980,995.60 : 448,471,493.40 = 264,968,771.60 : x
  2. Step 2: Convert to fraction form
    298,980,995.60/448,471,493.40 = 264,968,771.60/x
  3. Step 3: Cross multiply
    298,980,995.60x = 448,471,493.40 × 264,968,771.60
  4. Step 4: Simplify right side
    298,980,995.60x = 118,830,940,703,815,504
  5. Step 5: Solve for x
    x = 118,830,940,703,815,504/298,980,995.60
  6. Step 6: Final answer
    x = 397,453,157.40

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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.