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Finding the Fourth Proportional to 504,493.83, 756,718.88 and 125,406.54

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Solution

The fourth proportional to 504,493.83, 756,718.88 and 125,406.54 is: 188,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,493.83 : 756,718.88 = 125,406.54 : x
  2. Step 2: Convert to fraction form
    504,493.83/756,718.88 = 125,406.54/x
  3. Step 3: Cross multiply
    504,493.83x = 756,718.88 × 125,406.54
  4. Step 4: Simplify right side
    504,493.83x = 94,897,495,866.44
  5. Step 5: Solve for x
    x = 94,897,495,866.44/504,493.83
  6. Step 6: Final answer
    x = 188,104.37

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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.