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Finding the Fourth Proportional to 404,028.16, 606,416.14 and 204,488.70

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Solution

The fourth proportional to 404,028.16, 606,416.14 and 204,488.70 is: 306,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,028.16 : 606,416.14 = 204,488.70 : x
  2. Step 2: Convert to fraction form
    404,028.16/606,416.14 = 204,488.70/x
  3. Step 3: Cross multiply
    404,028.16x = 606,416.14 × 204,488.70
  4. Step 4: Simplify right side
    404,028.16x = 124,005,248,127.62
  5. Step 5: Solve for x
    x = 124,005,248,127.62/404,028.16
  6. Step 6: Final answer
    x = 306,922.29

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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.