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Finding the Fourth Proportional to 444,580.40, 666,939.80 and 144,991.13

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Solution

The fourth proportional to 444,580.40, 666,939.80 and 144,991.13 is: 217,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,580.40 : 666,939.80 = 144,991.13 : x
  2. Step 2: Convert to fraction form
    444,580.40/666,939.80 = 144,991.13/x
  3. Step 3: Cross multiply
    444,580.40x = 666,939.80 × 144,991.13
  4. Step 4: Simplify right side
    444,580.40x = 96,700,352,271.75
  5. Step 5: Solve for x
    x = 96,700,352,271.75/444,580.40
  6. Step 6: Final answer
    x = 217,509.26

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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.