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Finding the Fourth Proportional to 404,063.96, 557,605.86 and 222,775.16

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Solution

The fourth proportional to 404,063.96, 557,605.86 and 222,775.16 is: 307,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,063.96 : 557,605.86 = 222,775.16 : x
  2. Step 2: Convert to fraction form
    404,063.96/557,605.86 = 222,775.16/x
  3. Step 3: Cross multiply
    404,063.96x = 557,605.86 × 222,775.16
  4. Step 4: Simplify right side
    404,063.96x = 124,220,734,678.44
  5. Step 5: Solve for x
    x = 124,220,734,678.44/404,063.96
  6. Step 6: Final answer
    x = 307,428.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.