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Finding the Fourth Proportional to 1,048,662, 1,572,993.63 and 449,235.36

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Solution

The fourth proportional to 1,048,662, 1,572,993.63 and 449,235.36 is: 673,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,662 : 1,572,993.63 = 449,235.36 : x
  2. Step 2: Convert to fraction form
    1,048,662/1,572,993.63 = 449,235.36/x
  3. Step 3: Cross multiply
    1,048,662x = 1,572,993.63 × 449,235.36
  4. Step 4: Simplify right side
    1,048,662x = 706,644,359,650.76
  5. Step 5: Solve for x
    x = 706,644,359,650.76/1,048,662
  6. Step 6: Final answer
    x = 673,853.31

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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.