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Finding the Fourth Proportional to 556,258.05, 834,419.37 and 214,703.37

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Solution

The fourth proportional to 556,258.05, 834,419.37 and 214,703.37 is: 322,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,258.05 : 834,419.37 = 214,703.37 : x
  2. Step 2: Convert to fraction form
    556,258.05/834,419.37 = 214,703.37/x
  3. Step 3: Cross multiply
    556,258.05x = 834,419.37 × 214,703.37
  4. Step 4: Simplify right side
    556,258.05x = 179,152,650,732.28
  5. Step 5: Solve for x
    x = 179,152,650,732.28/556,258.05
  6. Step 6: Final answer
    x = 322,067.52

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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.