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Finding the Fourth Proportional to 1,416,504, 1,954,775.52 and 780,600

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Solution

The fourth proportional to 1,416,504, 1,954,775.52 and 780,600 is: 1,077,228

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,504 : 1,954,775.52 = 780,600 : x
  2. Step 2: Convert to fraction form
    1,416,504/1,954,775.52 = 780,600/x
  3. Step 3: Cross multiply
    1,416,504x = 1,954,775.52 × 780,600
  4. Step 4: Simplify right side
    1,416,504x = 1,525,897,770,912
  5. Step 5: Solve for x
    x = 1,525,897,770,912/1,416,504
  6. Step 6: Final answer
    x = 1,077,228

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.