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Finding the Fourth Proportional to 316,983.96, 475,325.44 and 183,905

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Solution

The fourth proportional to 316,983.96, 475,325.44 and 183,905 is: 275,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,983.96 : 475,325.44 = 183,905 : x
  2. Step 2: Convert to fraction form
    316,983.96/475,325.44 = 183,905/x
  3. Step 3: Cross multiply
    316,983.96x = 475,325.44 × 183,905
  4. Step 4: Simplify right side
    316,983.96x = 87,414,725,043.20
  5. Step 5: Solve for x
    x = 87,414,725,043.20/316,983.96
  6. Step 6: Final answer
    x = 275,770.18

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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.