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Finding the Fourth Proportional to 612,993.85, 919,571.11 and 202,526.79

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Solution

The fourth proportional to 612,993.85, 919,571.11 and 202,526.79 is: 303,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,993.85 : 919,571.11 = 202,526.79 : x
  2. Step 2: Convert to fraction form
    612,993.85/919,571.11 = 202,526.79/x
  3. Step 3: Cross multiply
    612,993.85x = 919,571.11 × 202,526.79
  4. Step 4: Simplify right side
    612,993.85x = 186,237,781,130.33
  5. Step 5: Solve for x
    x = 186,237,781,130.33/612,993.85
  6. Step 6: Final answer
    x = 303,816.72

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1.5x scale

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.