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Finding the Fourth Proportional to 413,556.21, 619,893.27 and 235,680.21

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Solution

The fourth proportional to 413,556.21, 619,893.27 and 235,680.21 is: 353,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,556.21 : 619,893.27 = 235,680.21 : x
  2. Step 2: Convert to fraction form
    413,556.21/619,893.27 = 235,680.21/x
  3. Step 3: Cross multiply
    413,556.21x = 619,893.27 × 235,680.21
  4. Step 4: Simplify right side
    413,556.21x = 146,096,576,051.19
  5. Step 5: Solve for x
    x = 146,096,576,051.19/413,556.21
  6. Step 6: Final answer
    x = 353,268.97

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1.5x scale

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.