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Finding the Fourth Proportional to 844,811.10, 1,267,216.65 and 788,823.90

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Solution

The fourth proportional to 844,811.10, 1,267,216.65 and 788,823.90 is: 1,183,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,811.10 : 1,267,216.65 = 788,823.90 : x
  2. Step 2: Convert to fraction form
    844,811.10/1,267,216.65 = 788,823.90/x
  3. Step 3: Cross multiply
    844,811.10x = 1,267,216.65 × 788,823.90
  4. Step 4: Simplify right side
    844,811.10x = 999,610,779,997.94
  5. Step 5: Solve for x
    x = 999,610,779,997.94/844,811.10
  6. Step 6: Final answer
    x = 1,183,235.85

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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.