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Finding the Fourth Proportional to 919,696.01, 1,388,182.97 and 919,696.01

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Solution

The fourth proportional to 919,696.01, 1,388,182.97 and 919,696.01 is: 1,388,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,696.01 : 1,388,182.97 = 919,696.01 : x
  2. Step 2: Convert to fraction form
    919,696.01/1,388,182.97 = 919,696.01/x
  3. Step 3: Cross multiply
    919,696.01x = 1,388,182.97 × 919,696.01
  4. Step 4: Simplify right side
    919,696.01x = 1,276,706,334,017.27
  5. Step 5: Solve for x
    x = 1,276,706,334,017.27/919,696.01
  6. Step 6: Final answer
    x = 1,388,182.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.