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Finding the Fourth Proportional to 3,965,064.39, 5,947,602.21 and 973,248.39

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Solution

The fourth proportional to 3,965,064.39, 5,947,602.21 and 973,248.39 is: 1,459,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,064.39 : 5,947,602.21 = 973,248.39 : x
  2. Step 2: Convert to fraction form
    3,965,064.39/5,947,602.21 = 973,248.39/x
  3. Step 3: Cross multiply
    3,965,064.39x = 5,947,602.21 × 973,248.39
  4. Step 4: Simplify right side
    3,965,064.39x = 5,788,494,275,242.94
  5. Step 5: Solve for x
    x = 5,788,494,275,242.94/3,965,064.39
  6. Step 6: Final answer
    x = 1,459,873.97

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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.