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Finding the Fourth Proportional to 330,898.83, 495,095.72 and 196,035.31

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Solution

The fourth proportional to 330,898.83, 495,095.72 and 196,035.31 is: 293,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,898.83 : 495,095.72 = 196,035.31 : x
  2. Step 2: Convert to fraction form
    330,898.83/495,095.72 = 196,035.31/x
  3. Step 3: Cross multiply
    330,898.83x = 495,095.72 × 196,035.31
  4. Step 4: Simplify right side
    330,898.83x = 97,056,244,532.37
  5. Step 5: Solve for x
    x = 97,056,244,532.37/330,898.83
  6. Step 6: Final answer
    x = 293,310.93

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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.