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Finding the Fourth Proportional to 1,773,582.75, 2,447,544.15 and 957,786.36

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Solution

The fourth proportional to 1,773,582.75, 2,447,544.15 and 957,786.36 is: 1,321,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,582.75 : 2,447,544.15 = 957,786.36 : x
  2. Step 2: Convert to fraction form
    1,773,582.75/2,447,544.15 = 957,786.36/x
  3. Step 3: Cross multiply
    1,773,582.75x = 2,447,544.15 × 957,786.36
  4. Step 4: Simplify right side
    1,773,582.75x = 2,344,224,402,367.79
  5. Step 5: Solve for x
    x = 2,344,224,402,367.79/1,773,582.75
  6. Step 6: Final answer
    x = 1,321,745.15

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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.