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Finding the Fourth Proportional to 1,463,216.80, 2,049,903.20 and 1,463,216.80

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Solution

The fourth proportional to 1,463,216.80, 2,049,903.20 and 1,463,216.80 is: 2,049,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,216.80 : 2,049,903.20 = 1,463,216.80 : x
  2. Step 2: Convert to fraction form
    1,463,216.80/2,049,903.20 = 1,463,216.80/x
  3. Step 3: Cross multiply
    1,463,216.80x = 2,049,903.20 × 1,463,216.80
  4. Step 4: Simplify right side
    1,463,216.80x = 2,999,452,800,613.76
  5. Step 5: Solve for x
    x = 2,999,452,800,613.76/1,463,216.80
  6. Step 6: Final answer
    x = 2,049,903.20

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Double scale
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Similar ratio
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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.