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Finding the Fourth Proportional to 331,592.68, 496,999.41 and 153,725.32

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Solution

The fourth proportional to 331,592.68, 496,999.41 and 153,725.32 is: 230,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,592.68 : 496,999.41 = 153,725.32 : x
  2. Step 2: Convert to fraction form
    331,592.68/496,999.41 = 153,725.32/x
  3. Step 3: Cross multiply
    331,592.68x = 496,999.41 × 153,725.32
  4. Step 4: Simplify right side
    331,592.68x = 76,401,393,342.06
  5. Step 5: Solve for x
    x = 76,401,393,342.06/331,592.68
  6. Step 6: Final answer
    x = 230,407.36

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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.