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Finding the Fourth Proportional to 2,080,221.60, 2,916,242.40 and 2,080,221.60

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Solution

The fourth proportional to 2,080,221.60, 2,916,242.40 and 2,080,221.60 is: 2,916,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,221.60 : 2,916,242.40 = 2,080,221.60 : x
  2. Step 2: Convert to fraction form
    2,080,221.60/2,916,242.40 = 2,080,221.60/x
  3. Step 3: Cross multiply
    2,080,221.60x = 2,916,242.40 × 2,080,221.60
  4. Step 4: Simplify right side
    2,080,221.60x = 6,066,430,431,315.84
  5. Step 5: Solve for x
    x = 6,066,430,431,315.84/2,080,221.60
  6. Step 6: Final answer
    x = 2,916,242.40

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Double scale
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Similar ratio
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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.