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Finding the Fourth Proportional to 308,004.38, 462,190.88 and 132,900.38

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Solution

The fourth proportional to 308,004.38, 462,190.88 and 132,900.38 is: 199,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,004.38 : 462,190.88 = 132,900.38 : x
  2. Step 2: Convert to fraction form
    308,004.38/462,190.88 = 132,900.38/x
  3. Step 3: Cross multiply
    308,004.38x = 462,190.88 × 132,900.38
  4. Step 4: Simplify right side
    308,004.38x = 61,425,341,605.83
  5. Step 5: Solve for x
    x = 61,425,341,605.83/308,004.38
  6. Step 6: Final answer
    x = 199,430.09

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1.5x scale

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.