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Finding the Fourth Proportional to 556,258.07, 834,419.39 and 214,703.39

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Solution

The fourth proportional to 556,258.07, 834,419.39 and 214,703.39 is: 322,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,258.07 : 834,419.39 = 214,703.39 : x
  2. Step 2: Convert to fraction form
    556,258.07/834,419.39 = 214,703.39/x
  3. Step 3: Cross multiply
    556,258.07x = 834,419.39 × 214,703.39
  4. Step 4: Simplify right side
    556,258.07x = 179,152,666,469.12
  5. Step 5: Solve for x
    x = 179,152,666,469.12/556,258.07
  6. Step 6: Final answer
    x = 322,067.54

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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.