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Finding the Fourth Proportional to 339,232.78, 511,287.52 and 292,412.96

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Solution

The fourth proportional to 339,232.78, 511,287.52 and 292,412.96 is: 440,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,232.78 : 511,287.52 = 292,412.96 : x
  2. Step 2: Convert to fraction form
    339,232.78/511,287.52 = 292,412.96/x
  3. Step 3: Cross multiply
    339,232.78x = 511,287.52 × 292,412.96
  4. Step 4: Simplify right side
    339,232.78x = 149,507,097,134.26
  5. Step 5: Solve for x
    x = 149,507,097,134.26/339,232.78
  6. Step 6: Final answer
    x = 440,721.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.