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Finding the Fourth Proportional to 911,301.30, 1,366,951.95 and 911,301.30

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Solution

The fourth proportional to 911,301.30, 1,366,951.95 and 911,301.30 is: 1,366,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,301.30 : 1,366,951.95 = 911,301.30 : x
  2. Step 2: Convert to fraction form
    911,301.30/1,366,951.95 = 911,301.30/x
  3. Step 3: Cross multiply
    911,301.30x = 1,366,951.95 × 911,301.30
  4. Step 4: Simplify right side
    911,301.30x = 1,245,705,089,072.53
  5. Step 5: Solve for x
    x = 1,245,705,089,072.53/911,301.30
  6. Step 6: Final answer
    x = 1,366,951.95

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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.