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Finding the Fourth Proportional to 2,261,308.80, 3,174,230.40 and 2,261,308.80

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Solution

The fourth proportional to 2,261,308.80, 3,174,230.40 and 2,261,308.80 is: 3,174,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,308.80 : 3,174,230.40 = 2,261,308.80 : x
  2. Step 2: Convert to fraction form
    2,261,308.80/3,174,230.40 = 2,261,308.80/x
  3. Step 3: Cross multiply
    2,261,308.80x = 3,174,230.40 × 2,261,308.80
  4. Step 4: Simplify right side
    2,261,308.80x = 7,177,915,136,747.52
  5. Step 5: Solve for x
    x = 7,177,915,136,747.52/2,261,308.80
  6. Step 6: Final answer
    x = 3,174,230.40

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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.