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Finding the Fourth Proportional to 1,046,943.60, 1,568,082.60 and 906,975.60

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Solution

The fourth proportional to 1,046,943.60, 1,568,082.60 and 906,975.60 is: 1,358,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,943.60 : 1,568,082.60 = 906,975.60 : x
  2. Step 2: Convert to fraction form
    1,046,943.60/1,568,082.60 = 906,975.60/x
  3. Step 3: Cross multiply
    1,046,943.60x = 1,568,082.60 × 906,975.60
  4. Step 4: Simplify right side
    1,046,943.60x = 1,422,212,656,984.56
  5. Step 5: Solve for x
    x = 1,422,212,656,984.56/1,046,943.60
  6. Step 6: Final answer
    x = 1,358,442.48

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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.