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Finding the Fourth Proportional to 575,571.96, 863,436.78 and 196,390.98

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Solution

The fourth proportional to 575,571.96, 863,436.78 and 196,390.98 is: 294,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,571.96 : 863,436.78 = 196,390.98 : x
  2. Step 2: Convert to fraction form
    575,571.96/863,436.78 = 196,390.98/x
  3. Step 3: Cross multiply
    575,571.96x = 863,436.78 × 196,390.98
  4. Step 4: Simplify right side
    575,571.96x = 169,571,195,392.24
  5. Step 5: Solve for x
    x = 169,571,195,392.24/575,571.96
  6. Step 6: Final answer
    x = 294,613.37

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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.