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Finding the Fourth Proportional to 4,628,890.70, 6,464,503.75 and 4,628,890.70

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Solution

The fourth proportional to 4,628,890.70, 6,464,503.75 and 4,628,890.70 is: 6,464,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628,890.70 : 6,464,503.75 = 4,628,890.70 : x
  2. Step 2: Convert to fraction form
    4,628,890.70/6,464,503.75 = 4,628,890.70/x
  3. Step 3: Cross multiply
    4,628,890.70x = 6,464,503.75 × 4,628,890.70
  4. Step 4: Simplify right side
    4,628,890.70x = 29,923,481,288,490.12
  5. Step 5: Solve for x
    x = 29,923,481,288,490.12/4,628,890.70
  6. Step 6: Final answer
    x = 6,464,503.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.