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Finding the Fourth Proportional to 332,980.40, 499,643.40 and 146,010.80

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Solution

The fourth proportional to 332,980.40, 499,643.40 and 146,010.80 is: 219,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,980.40 : 499,643.40 = 146,010.80 : x
  2. Step 2: Convert to fraction form
    332,980.40/499,643.40 = 146,010.80/x
  3. Step 3: Cross multiply
    332,980.40x = 499,643.40 × 146,010.80
  4. Step 4: Simplify right side
    332,980.40x = 72,953,332,548.72
  5. Step 5: Solve for x
    x = 72,953,332,548.72/332,980.40
  6. Step 6: Final answer
    x = 219,091.97

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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.