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Finding the Fourth Proportional to 1,893,351.04, 2,841,892.80 and 1,146,855.04

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Solution

The fourth proportional to 1,893,351.04, 2,841,892.80 and 1,146,855.04 is: 1,721,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,351.04 : 2,841,892.80 = 1,146,855.04 : x
  2. Step 2: Convert to fraction form
    1,893,351.04/2,841,892.80 = 1,146,855.04/x
  3. Step 3: Cross multiply
    1,893,351.04x = 2,841,892.80 × 1,146,855.04
  4. Step 4: Simplify right side
    1,893,351.04x = 3,259,239,080,819.71
  5. Step 5: Solve for x
    x = 3,259,239,080,819.71/1,893,351.04
  6. Step 6: Final answer
    x = 1,721,412.99

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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.