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Finding the Fourth Proportional to 304,791.24, 420,575.99 and 175,728.27

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Solution

The fourth proportional to 304,791.24, 420,575.99 and 175,728.27 is: 242,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,791.24 : 420,575.99 = 175,728.27 : x
  2. Step 2: Convert to fraction form
    304,791.24/420,575.99 = 175,728.27/x
  3. Step 3: Cross multiply
    304,791.24x = 420,575.99 × 175,728.27
  4. Step 4: Simplify right side
    304,791.24x = 73,907,090,247.60
  5. Step 5: Solve for x
    x = 73,907,090,247.60/304,791.24
  6. Step 6: Final answer
    x = 242,484.30

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1.5x scale

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.