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Finding the Fourth Proportional to 373,554.42, 515,358.36 and 230,065.44

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Solution

The fourth proportional to 373,554.42, 515,358.36 and 230,065.44 is: 317,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,554.42 : 515,358.36 = 230,065.44 : x
  2. Step 2: Convert to fraction form
    373,554.42/515,358.36 = 230,065.44/x
  3. Step 3: Cross multiply
    373,554.42x = 515,358.36 × 230,065.44
  4. Step 4: Simplify right side
    373,554.42x = 118,566,147,851.08
  5. Step 5: Solve for x
    x = 118,566,147,851.08/373,554.42
  6. Step 6: Final answer
    x = 317,399.93

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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.