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Finding the Fourth Proportional to 1,764,869.83, 2,648,424.44 and 753,999.40

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Solution

The fourth proportional to 1,764,869.83, 2,648,424.44 and 753,999.40 is: 1,131,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,869.83 : 2,648,424.44 = 753,999.40 : x
  2. Step 2: Convert to fraction form
    1,764,869.83/2,648,424.44 = 753,999.40/x
  3. Step 3: Cross multiply
    1,764,869.83x = 2,648,424.44 × 753,999.40
  4. Step 4: Simplify right side
    1,764,869.83x = 1,996,910,438,705.34
  5. Step 5: Solve for x
    x = 1,996,910,438,705.34/1,764,869.83
  6. Step 6: Final answer
    x = 1,131,477.46

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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.