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Finding the Fourth Proportional to 404,075.10, 606,027.60 and 204,207.60

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Solution

The fourth proportional to 404,075.10, 606,027.60 and 204,207.60 is: 306,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,075.10 : 606,027.60 = 204,207.60 : x
  2. Step 2: Convert to fraction form
    404,075.10/606,027.60 = 204,207.60/x
  3. Step 3: Cross multiply
    404,075.10x = 606,027.60 × 204,207.60
  4. Step 4: Simplify right side
    404,075.10x = 123,755,441,729.76
  5. Step 5: Solve for x
    x = 123,755,441,729.76/404,075.10
  6. Step 6: Final answer
    x = 306,268.42

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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.