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Finding the Fourth Proportional to 472,394,551.20, 708,591,826.80 and 472,394,551.20

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Solution

The fourth proportional to 472,394,551.20, 708,591,826.80 and 472,394,551.20 is: 708,591,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,551.20 : 708,591,826.80 = 472,394,551.20 : x
  2. Step 2: Convert to fraction form
    472,394,551.20/708,591,826.80 = 472,394,551.20/x
  3. Step 3: Cross multiply
    472,394,551.20x = 708,591,826.80 × 472,394,551.20
  4. Step 4: Simplify right side
    472,394,551.20x = 334,734,918,005,174,080
  5. Step 5: Solve for x
    x = 334,734,918,005,174,080/472,394,551.20
  6. Step 6: Final answer
    x = 708,591,826.80

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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.