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Finding the Fourth Proportional to 470,050.49, 648,677.49 and 255,190.61

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Solution

The fourth proportional to 470,050.49, 648,677.49 and 255,190.61 is: 352,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,050.49 : 648,677.49 = 255,190.61 : x
  2. Step 2: Convert to fraction form
    470,050.49/648,677.49 = 255,190.61/x
  3. Step 3: Cross multiply
    470,050.49x = 648,677.49 × 255,190.61
  4. Step 4: Simplify right side
    470,050.49x = 165,536,404,366.37
  5. Step 5: Solve for x
    x = 165,536,404,366.37/470,050.49
  6. Step 6: Final answer
    x = 352,167.28

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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.