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Finding the Fourth Proportional to 316,967.55, 475,943.40 and 184,107.30

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Solution

The fourth proportional to 316,967.55, 475,943.40 and 184,107.30 is: 276,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,967.55 : 475,943.40 = 184,107.30 : x
  2. Step 2: Convert to fraction form
    316,967.55/475,943.40 = 184,107.30/x
  3. Step 3: Cross multiply
    316,967.55x = 475,943.40 × 184,107.30
  4. Step 4: Simplify right side
    316,967.55x = 87,624,654,326.82
  5. Step 5: Solve for x
    x = 87,624,654,326.82/316,967.55
  6. Step 6: Final answer
    x = 276,446.77

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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.