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Finding the Fourth Proportional to 304,885.32, 457,254.47 and 127,296.06

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Solution

The fourth proportional to 304,885.32, 457,254.47 and 127,296.06 is: 190,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,885.32 : 457,254.47 = 127,296.06 : x
  2. Step 2: Convert to fraction form
    304,885.32/457,254.47 = 127,296.06/x
  3. Step 3: Cross multiply
    304,885.32x = 457,254.47 × 127,296.06
  4. Step 4: Simplify right side
    304,885.32x = 58,206,690,335.88
  5. Step 5: Solve for x
    x = 58,206,690,335.88/304,885.32
  6. Step 6: Final answer
    x = 190,913.39

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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.