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Finding the Fourth Proportional to 429,009.94, 592,033.78 and 238,022.87

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Solution

The fourth proportional to 429,009.94, 592,033.78 and 238,022.87 is: 328,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,009.94 : 592,033.78 = 238,022.87 : x
  2. Step 2: Convert to fraction form
    429,009.94/592,033.78 = 238,022.87/x
  3. Step 3: Cross multiply
    429,009.94x = 592,033.78 × 238,022.87
  4. Step 4: Simplify right side
    429,009.94x = 140,917,580,789.54
  5. Step 5: Solve for x
    x = 140,917,580,789.54/429,009.94
  6. Step 6: Final answer
    x = 328,471.60

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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.