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Finding the Fourth Proportional to 304,542.83, 420,264.01 and 168,573.86

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Solution

The fourth proportional to 304,542.83, 420,264.01 and 168,573.86 is: 232,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,542.83 : 420,264.01 = 168,573.86 : x
  2. Step 2: Convert to fraction form
    304,542.83/420,264.01 = 168,573.86/x
  3. Step 3: Cross multiply
    304,542.83x = 420,264.01 × 168,573.86
  4. Step 4: Simplify right side
    304,542.83x = 70,845,524,283.46
  5. Step 5: Solve for x
    x = 70,845,524,283.46/304,542.83
  6. Step 6: Final answer
    x = 232,629.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.