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Finding the Fourth Proportional to 339,216.32, 508,835.28 and 170,644.52

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Solution

The fourth proportional to 339,216.32, 508,835.28 and 170,644.52 is: 255,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,216.32 : 508,835.28 = 170,644.52 : x
  2. Step 2: Convert to fraction form
    339,216.32/508,835.28 = 170,644.52/x
  3. Step 3: Cross multiply
    339,216.32x = 508,835.28 × 170,644.52
  4. Step 4: Simplify right side
    339,216.32x = 86,829,952,114.67
  5. Step 5: Solve for x
    x = 86,829,952,114.67/339,216.32
  6. Step 6: Final answer
    x = 255,972.21

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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.