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Finding the Fourth Proportional to 504,775.40, 756,999.28 and 167,725.56

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Solution

The fourth proportional to 504,775.40, 756,999.28 and 167,725.56 is: 251,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,775.40 : 756,999.28 = 167,725.56 : x
  2. Step 2: Convert to fraction form
    504,775.40/756,999.28 = 167,725.56/x
  3. Step 3: Cross multiply
    504,775.40x = 756,999.28 × 167,725.56
  4. Step 4: Simplify right side
    504,775.40x = 126,968,128,157.60
  5. Step 5: Solve for x
    x = 126,968,128,157.60/504,775.40
  6. Step 6: Final answer
    x = 251,533.91

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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.