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Finding the Fourth Proportional to 473,930.40, 710,873.73 and 118,936.56

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Solution

The fourth proportional to 473,930.40, 710,873.73 and 118,936.56 is: 178,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,930.40 : 710,873.73 = 118,936.56 : x
  2. Step 2: Convert to fraction form
    473,930.40/710,873.73 = 118,936.56/x
  3. Step 3: Cross multiply
    473,930.40x = 710,873.73 × 118,936.56
  4. Step 4: Simplify right side
    473,930.40x = 84,548,876,040.57
  5. Step 5: Solve for x
    x = 84,548,876,040.57/473,930.40
  6. Step 6: Final answer
    x = 178,399.35

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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.