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Finding the Fourth Proportional to 322,956.94, 484,435.68 and 154,437.52

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Solution

The fourth proportional to 322,956.94, 484,435.68 and 154,437.52 is: 231,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,956.94 : 484,435.68 = 154,437.52 : x
  2. Step 2: Convert to fraction form
    322,956.94/484,435.68 = 154,437.52/x
  3. Step 3: Cross multiply
    322,956.94x = 484,435.68 × 154,437.52
  4. Step 4: Simplify right side
    322,956.94x = 74,815,045,018.71
  5. Step 5: Solve for x
    x = 74,815,045,018.71/322,956.94
  6. Step 6: Final answer
    x = 231,656.41

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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.