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Finding the Fourth Proportional to 1,337,325.03, 1,845,508.55 and 764,377.51

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Solution

The fourth proportional to 1,337,325.03, 1,845,508.55 and 764,377.51 is: 1,054,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,325.03 : 1,845,508.55 = 764,377.51 : x
  2. Step 2: Convert to fraction form
    1,337,325.03/1,845,508.55 = 764,377.51/x
  3. Step 3: Cross multiply
    1,337,325.03x = 1,845,508.55 × 764,377.51
  4. Step 4: Simplify right side
    1,337,325.03x = 1,410,665,230,132.71
  5. Step 5: Solve for x
    x = 1,410,665,230,132.71/1,337,325.03
  6. Step 6: Final answer
    x = 1,054,840.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.