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Finding the Fourth Proportional to 304,791.88, 457,055.32 and 162,605.44

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Solution

The fourth proportional to 304,791.88, 457,055.32 and 162,605.44 is: 243,837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,791.88 : 457,055.32 = 162,605.44 : x
  2. Step 2: Convert to fraction form
    304,791.88/457,055.32 = 162,605.44/x
  3. Step 3: Cross multiply
    304,791.88x = 457,055.32 × 162,605.44
  4. Step 4: Simplify right side
    304,791.88x = 74,319,683,075.40
  5. Step 5: Solve for x
    x = 74,319,683,075.40/304,791.88
  6. Step 6: Final answer
    x = 243,837.48

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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.