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Finding the Fourth Proportional to 404,774.73, 606,678.26 and 188,341.10

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Solution

The fourth proportional to 404,774.73, 606,678.26 and 188,341.10 is: 282,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,774.73 : 606,678.26 = 188,341.10 : x
  2. Step 2: Convert to fraction form
    404,774.73/606,678.26 = 188,341.10/x
  3. Step 3: Cross multiply
    404,774.73x = 606,678.26 × 188,341.10
  4. Step 4: Simplify right side
    404,774.73x = 114,262,450,326.28
  5. Step 5: Solve for x
    x = 114,262,450,326.28/404,774.73
  6. Step 6: Final answer
    x = 282,286.52

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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.