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Finding the Fourth Proportional to 6,590,645.82, 9,878,993.42 and 2,998,934.96

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Solution

The fourth proportional to 6,590,645.82, 9,878,993.42 and 2,998,934.96 is: 4,495,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590,645.82 : 9,878,993.42 = 2,998,934.96 : x
  2. Step 2: Convert to fraction form
    6,590,645.82/9,878,993.42 = 2,998,934.96/x
  3. Step 3: Cross multiply
    6,590,645.82x = 9,878,993.42 × 2,998,934.96
  4. Step 4: Simplify right side
    6,590,645.82x = 29,626,458,672,458.32
  5. Step 5: Solve for x
    x = 29,626,458,672,458.32/6,590,645.82
  6. Step 6: Final answer
    x = 4,495,228.46

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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.