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Finding the Fourth Proportional to 1,270,318.03, 1,750,616.19 and 1,246,969.07

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Solution

The fourth proportional to 1,270,318.03, 1,750,616.19 and 1,246,969.07 is: 1,718,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,318.03 : 1,750,616.19 = 1,246,969.07 : x
  2. Step 2: Convert to fraction form
    1,270,318.03/1,750,616.19 = 1,246,969.07/x
  3. Step 3: Cross multiply
    1,270,318.03x = 1,750,616.19 × 1,246,969.07
  4. Step 4: Simplify right side
    1,270,318.03x = 2,182,964,237,365.14
  5. Step 5: Solve for x
    x = 2,182,964,237,365.14/1,270,318.03
  6. Step 6: Final answer
    x = 1,718,439.16

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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.