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Finding the Fourth Proportional to 504,868.12, 757,280.22 and 125,790.52

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Solution

The fourth proportional to 504,868.12, 757,280.22 and 125,790.52 is: 188,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,868.12 : 757,280.22 = 125,790.52 : x
  2. Step 2: Convert to fraction form
    504,868.12/757,280.22 = 125,790.52/x
  3. Step 3: Cross multiply
    504,868.12x = 757,280.22 × 125,790.52
  4. Step 4: Simplify right side
    504,868.12x = 95,258,672,659.51
  5. Step 5: Solve for x
    x = 95,258,672,659.51/504,868.12
  6. Step 6: Final answer
    x = 188,680.31

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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.