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Finding the Fourth Proportional to 2,212,673.70, 3,090,657.30 and 2,212,673.70

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Solution

The fourth proportional to 2,212,673.70, 3,090,657.30 and 2,212,673.70 is: 3,090,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,673.70 : 3,090,657.30 = 2,212,673.70 : x
  2. Step 2: Convert to fraction form
    2,212,673.70/3,090,657.30 = 2,212,673.70/x
  3. Step 3: Cross multiply
    2,212,673.70x = 3,090,657.30 × 2,212,673.70
  4. Step 4: Simplify right side
    2,212,673.70x = 6,838,616,123,423.01
  5. Step 5: Solve for x
    x = 6,838,616,123,423.01/2,212,673.70
  6. Step 6: Final answer
    x = 3,090,657.30

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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.