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Finding the Fourth Proportional to 470,179.49, 648,855.41 and 266,225.03

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Solution

The fourth proportional to 470,179.49, 648,855.41 and 266,225.03 is: 367,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,179.49 : 648,855.41 = 266,225.03 : x
  2. Step 2: Convert to fraction form
    470,179.49/648,855.41 = 266,225.03/x
  3. Step 3: Cross multiply
    470,179.49x = 648,855.41 × 266,225.03
  4. Step 4: Simplify right side
    470,179.49x = 172,741,550,348.23
  5. Step 5: Solve for x
    x = 172,741,550,348.23/470,179.49
  6. Step 6: Final answer
    x = 367,394.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.