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Finding the Fourth Proportional to 404,255.80, 606,383.70 and 404,255.80

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Solution

The fourth proportional to 404,255.80, 606,383.70 and 404,255.80 is: 606,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,255.80 : 606,383.70 = 404,255.80 : x
  2. Step 2: Convert to fraction form
    404,255.80/606,383.70 = 404,255.80/x
  3. Step 3: Cross multiply
    404,255.80x = 606,383.70 × 404,255.80
  4. Step 4: Simplify right side
    404,255.80x = 245,134,127,750.46
  5. Step 5: Solve for x
    x = 245,134,127,750.46/404,255.80
  6. Step 6: Final answer
    x = 606,383.70

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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.