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Finding the Fourth Proportional to 304,456.95, 427,172.85 and 304,456.95

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Solution

The fourth proportional to 304,456.95, 427,172.85 and 304,456.95 is: 427,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,456.95 : 427,172.85 = 304,456.95 : x
  2. Step 2: Convert to fraction form
    304,456.95/427,172.85 = 304,456.95/x
  3. Step 3: Cross multiply
    304,456.95x = 427,172.85 × 304,456.95
  4. Step 4: Simplify right side
    304,456.95x = 130,055,743,033.81
  5. Step 5: Solve for x
    x = 130,055,743,033.81/304,456.95
  6. Step 6: Final answer
    x = 427,172.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.