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Finding the Fourth Proportional to 570,933.75, 856,367.69 and 171,565.95

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Solution

The fourth proportional to 570,933.75, 856,367.69 and 171,565.95 is: 257,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,933.75 : 856,367.69 = 171,565.95 : x
  2. Step 2: Convert to fraction form
    570,933.75/856,367.69 = 171,565.95/x
  3. Step 3: Cross multiply
    570,933.75x = 856,367.69 × 171,565.95
  4. Step 4: Simplify right side
    570,933.75x = 146,923,535,426.33
  5. Step 5: Solve for x
    x = 146,923,535,426.33/570,933.75
  6. Step 6: Final answer
    x = 257,339.03

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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.