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Finding the Fourth Proportional to 882,994.30, 1,324,491.45 and 818,040.40

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Solution

The fourth proportional to 882,994.30, 1,324,491.45 and 818,040.40 is: 1,227,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,994.30 : 1,324,491.45 = 818,040.40 : x
  2. Step 2: Convert to fraction form
    882,994.30/1,324,491.45 = 818,040.40/x
  3. Step 3: Cross multiply
    882,994.30x = 1,324,491.45 × 818,040.40
  4. Step 4: Simplify right side
    882,994.30x = 1,083,487,515,554.58
  5. Step 5: Solve for x
    x = 1,083,487,515,554.58/882,994.30
  6. Step 6: Final answer
    x = 1,227,060.60

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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.