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Finding the Fourth Proportional to 332,970.40, 499,628.40 and 146,000.80

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Solution

The fourth proportional to 332,970.40, 499,628.40 and 146,000.80 is: 219,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,970.40 : 499,628.40 = 146,000.80 : x
  2. Step 2: Convert to fraction form
    332,970.40/499,628.40 = 146,000.80/x
  3. Step 3: Cross multiply
    332,970.40x = 499,628.40 × 146,000.80
  4. Step 4: Simplify right side
    332,970.40x = 72,946,146,102.72
  5. Step 5: Solve for x
    x = 72,946,146,102.72/332,970.40
  6. Step 6: Final answer
    x = 219,076.97

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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.