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Finding the Fourth Proportional to 430,877.76, 594,634.92 and 239,886.96

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Solution

The fourth proportional to 430,877.76, 594,634.92 and 239,886.96 is: 331,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,877.76 : 594,634.92 = 239,886.96 : x
  2. Step 2: Convert to fraction form
    430,877.76/594,634.92 = 239,886.96/x
  3. Step 3: Cross multiply
    430,877.76x = 594,634.92 × 239,886.96
  4. Step 4: Simplify right side
    430,877.76x = 142,645,163,268.64
  5. Step 5: Solve for x
    x = 142,645,163,268.64/430,877.76
  6. Step 6: Final answer
    x = 331,057.15

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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.