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Finding the Fourth Proportional to 5,603,078.40, 8,404,617.60 and 4,658,294.40

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Solution

The fourth proportional to 5,603,078.40, 8,404,617.60 and 4,658,294.40 is: 6,987,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603,078.40 : 8,404,617.60 = 4,658,294.40 : x
  2. Step 2: Convert to fraction form
    5,603,078.40/8,404,617.60 = 4,658,294.40/x
  3. Step 3: Cross multiply
    5,603,078.40x = 8,404,617.60 × 4,658,294.40
  4. Step 4: Simplify right side
    5,603,078.40x = 39,151,183,100,221.44
  5. Step 5: Solve for x
    x = 39,151,183,100,221.44/5,603,078.40
  6. Step 6: Final answer
    x = 6,987,441.60

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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.