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Finding the Fourth Proportional to 435,712.51, 654,128.48 and 335,936.08

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Solution

The fourth proportional to 435,712.51, 654,128.48 and 335,936.08 is: 504,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,712.51 : 654,128.48 = 335,936.08 : x
  2. Step 2: Convert to fraction form
    435,712.51/654,128.48 = 335,936.08/x
  3. Step 3: Cross multiply
    435,712.51x = 654,128.48 × 335,936.08
  4. Step 4: Simplify right side
    435,712.51x = 219,745,357,387.56
  5. Step 5: Solve for x
    x = 219,745,357,387.56/435,712.51
  6. Step 6: Final answer
    x = 504,335.66

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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.