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Finding the Fourth Proportional to 446,943,906.20, 670,415,859.30 and 446,943,906.20

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Solution

The fourth proportional to 446,943,906.20, 670,415,859.30 and 446,943,906.20 is: 670,415,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,943,906.20 : 670,415,859.30 = 446,943,906.20 : x
  2. Step 2: Convert to fraction form
    446,943,906.20/670,415,859.30 = 446,943,906.20/x
  3. Step 3: Cross multiply
    446,943,906.20x = 670,415,859.30 × 446,943,906.20
  4. Step 4: Simplify right side
    446,943,906.20x = 299,638,282,933,971,584
  5. Step 5: Solve for x
    x = 299,638,282,933,971,584/446,943,906.20
  6. Step 6: Final answer
    x = 670,415,859.30

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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.