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Finding the Fourth Proportional to 304,854.35, 455,427.17 and 197,362.59

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Solution

The fourth proportional to 304,854.35, 455,427.17 and 197,362.59 is: 294,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,854.35 : 455,427.17 = 197,362.59 : x
  2. Step 2: Convert to fraction form
    304,854.35/455,427.17 = 197,362.59/x
  3. Step 3: Cross multiply
    304,854.35x = 455,427.17 × 197,362.59
  4. Step 4: Simplify right side
    304,854.35x = 89,884,283,873.02
  5. Step 5: Solve for x
    x = 89,884,283,873.02/304,854.35
  6. Step 6: Final answer
    x = 294,843.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.