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Finding the Fourth Proportional to 860,773, 1,291,366.88 and 269,797

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Solution

The fourth proportional to 860,773, 1,291,366.88 and 269,797 is: 404,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,773 : 1,291,366.88 = 269,797 : x
  2. Step 2: Convert to fraction form
    860,773/1,291,366.88 = 269,797/x
  3. Step 3: Cross multiply
    860,773x = 1,291,366.88 × 269,797
  4. Step 4: Simplify right side
    860,773x = 348,406,910,123.36
  5. Step 5: Solve for x
    x = 348,406,910,123.36/860,773
  6. Step 6: Final answer
    x = 404,760.50

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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.