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Finding the Fourth Proportional to 575,535.30, 863,391.63 and 196,367.65

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Solution

The fourth proportional to 575,535.30, 863,391.63 and 196,367.65 is: 294,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,535.30 : 863,391.63 = 196,367.65 : x
  2. Step 2: Convert to fraction form
    575,535.30/863,391.63 = 196,367.65/x
  3. Step 3: Cross multiply
    575,535.30x = 863,391.63 × 196,367.65
  4. Step 4: Simplify right side
    575,535.30x = 169,542,186,059.52
  5. Step 5: Solve for x
    x = 169,542,186,059.52/575,535.30
  6. Step 6: Final answer
    x = 294,581.73

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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.