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Finding the Fourth Proportional to 404,546.80, 606,674.40 and 204,800.80

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Solution

The fourth proportional to 404,546.80, 606,674.40 and 204,800.80 is: 307,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,546.80 : 606,674.40 = 204,800.80 : x
  2. Step 2: Convert to fraction form
    404,546.80/606,674.40 = 204,800.80/x
  3. Step 3: Cross multiply
    404,546.80x = 606,674.40 × 204,800.80
  4. Step 4: Simplify right side
    404,546.80x = 124,247,402,459.52
  5. Step 5: Solve for x
    x = 124,247,402,459.52/404,546.80
  6. Step 6: Final answer
    x = 307,127.39

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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.