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Finding the Fourth Proportional to 880,872.30, 1,321,308.45 and 744,014.70

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Solution

The fourth proportional to 880,872.30, 1,321,308.45 and 744,014.70 is: 1,116,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,872.30 : 1,321,308.45 = 744,014.70 : x
  2. Step 2: Convert to fraction form
    880,872.30/1,321,308.45 = 744,014.70/x
  3. Step 3: Cross multiply
    880,872.30x = 1,321,308.45 × 744,014.70
  4. Step 4: Simplify right side
    880,872.30x = 983,072,910,034.22
  5. Step 5: Solve for x
    x = 983,072,910,034.22/880,872.30
  6. Step 6: Final answer
    x = 1,116,022.05

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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.