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Finding the Fourth Proportional to 5,907,267.90, 8,860,900.91 and 1,419,543.90

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Solution

The fourth proportional to 5,907,267.90, 8,860,900.91 and 1,419,543.90 is: 2,129,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907,267.90 : 8,860,900.91 = 1,419,543.90 : x
  2. Step 2: Convert to fraction form
    5,907,267.90/8,860,900.91 = 1,419,543.90/x
  3. Step 3: Cross multiply
    5,907,267.90x = 8,860,900.91 × 1,419,543.90
  4. Step 4: Simplify right side
    5,907,267.90x = 12,578,437,828,197.23
  5. Step 5: Solve for x
    x = 12,578,437,828,197.23/5,907,267.90
  6. Step 6: Final answer
    x = 2,129,315.62

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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.