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Finding the Fourth Proportional to 370,809.24, 556,379.70 and 171,022.80

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Solution

The fourth proportional to 370,809.24, 556,379.70 and 171,022.80 is: 256,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,809.24 : 556,379.70 = 171,022.80 : x
  2. Step 2: Convert to fraction form
    370,809.24/556,379.70 = 171,022.80/x
  3. Step 3: Cross multiply
    370,809.24x = 556,379.70 × 171,022.80
  4. Step 4: Simplify right side
    370,809.24x = 95,153,614,157.16
  5. Step 5: Solve for x
    x = 95,153,614,157.16/370,809.24
  6. Step 6: Final answer
    x = 256,610.69

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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.