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Finding the Fourth Proportional to 304,672.17, 420,452.00 and 175,539.39

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Solution

The fourth proportional to 304,672.17, 420,452.00 and 175,539.39 is: 242,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,672.17 : 420,452.00 = 175,539.39 : x
  2. Step 2: Convert to fraction form
    304,672.17/420,452.00 = 175,539.39/x
  3. Step 3: Cross multiply
    304,672.17x = 420,452.00 × 175,539.39
  4. Step 4: Simplify right side
    304,672.17x = 73,805,886,726.58
  5. Step 5: Solve for x
    x = 73,805,886,726.58/304,672.17
  6. Step 6: Final answer
    x = 242,246.89

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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.