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Finding the Fourth Proportional to 608,591,564.64, 913,323,208.32 and 259,082,676.96

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Solution

The fourth proportional to 608,591,564.64, 913,323,208.32 and 259,082,676.96 is: 388,809,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,591,564.64 : 913,323,208.32 = 259,082,676.96 : x
  2. Step 2: Convert to fraction form
    608,591,564.64/913,323,208.32 = 259,082,676.96/x
  3. Step 3: Cross multiply
    608,591,564.64x = 913,323,208.32 × 259,082,676.96
  4. Step 4: Simplify right side
    608,591,564.64x = 236,626,221,741,241,376
  5. Step 5: Solve for x
    x = 236,626,221,741,241,376/608,591,564.64
  6. Step 6: Final answer
    x = 388,809,565.38

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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.