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Finding the Fourth Proportional to 700,993.50, 967,371.03 and 383,041.50

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Solution

The fourth proportional to 700,993.50, 967,371.03 and 383,041.50 is: 528,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,993.50 : 967,371.03 = 383,041.50 : x
  2. Step 2: Convert to fraction form
    700,993.50/967,371.03 = 383,041.50/x
  3. Step 3: Cross multiply
    700,993.50x = 967,371.03 × 383,041.50
  4. Step 4: Simplify right side
    700,993.50x = 370,543,250,387.75
  5. Step 5: Solve for x
    x = 370,543,250,387.75/700,993.50
  6. Step 6: Final answer
    x = 528,597.27

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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.