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Finding the Fourth Proportional to 2,010,255.40, 2,808,059 and 2,010,255.40

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Solution

The fourth proportional to 2,010,255.40, 2,808,059 and 2,010,255.40 is: 2,808,059

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,255.40 : 2,808,059 = 2,010,255.40 : x
  2. Step 2: Convert to fraction form
    2,010,255.40/2,808,059 = 2,010,255.40/x
  3. Step 3: Cross multiply
    2,010,255.40x = 2,808,059 × 2,010,255.40
  4. Step 4: Simplify right side
    2,010,255.40x = 5,644,915,768,268.60
  5. Step 5: Solve for x
    x = 5,644,915,768,268.60/2,010,255.40
  6. Step 6: Final answer
    x = 2,808,059

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Double scale
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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.