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Finding the Fourth Proportional to 605,366,944.20, 906,615,525.60 and 605,366,944.20

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Solution

The fourth proportional to 605,366,944.20, 906,615,525.60 and 605,366,944.20 is: 906,615,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,366,944.20 : 906,615,525.60 = 605,366,944.20 : x
  2. Step 2: Convert to fraction form
    605,366,944.20/906,615,525.60 = 605,366,944.20/x
  3. Step 3: Cross multiply
    605,366,944.20x = 906,615,525.60 × 605,366,944.20
  4. Step 4: Simplify right side
    605,366,944.20x = 548,835,070,296,748,928
  5. Step 5: Solve for x
    x = 548,835,070,296,748,928/605,366,944.20
  6. Step 6: Final answer
    x = 906,615,525.60

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1.5x scale

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.