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Finding the Fourth Proportional to 1,601,997.60, 2,238,597.60 and 1,601,997.60

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Solution

The fourth proportional to 1,601,997.60, 2,238,597.60 and 1,601,997.60 is: 2,238,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,997.60 : 2,238,597.60 = 1,601,997.60 : x
  2. Step 2: Convert to fraction form
    1,601,997.60/2,238,597.60 = 1,601,997.60/x
  3. Step 3: Cross multiply
    1,601,997.60x = 2,238,597.60 × 1,601,997.60
  4. Step 4: Simplify right side
    1,601,997.60x = 3,586,227,982,565.76
  5. Step 5: Solve for x
    x = 3,586,227,982,565.76/1,601,997.60
  6. Step 6: Final answer
    x = 2,238,597.60

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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.