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Finding the Fourth Proportional to 1,036,665.03, 1,554,997.55 and 1,036,665.03

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Solution

The fourth proportional to 1,036,665.03, 1,554,997.55 and 1,036,665.03 is: 1,554,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,665.03 : 1,554,997.55 = 1,036,665.03 : x
  2. Step 2: Convert to fraction form
    1,036,665.03/1,554,997.55 = 1,036,665.03/x
  3. Step 3: Cross multiply
    1,036,665.03x = 1,554,997.55 × 1,036,665.03
  4. Step 4: Simplify right side
    1,036,665.03x = 1,612,011,581,820.68
  5. Step 5: Solve for x
    x = 1,612,011,581,820.68/1,036,665.03
  6. Step 6: Final answer
    x = 1,554,997.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.