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Finding the Fourth Proportional to 404,338.42, 606,507.63 and 123,819.22

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Solution

The fourth proportional to 404,338.42, 606,507.63 and 123,819.22 is: 185,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,338.42 : 606,507.63 = 123,819.22 : x
  2. Step 2: Convert to fraction form
    404,338.42/606,507.63 = 123,819.22/x
  3. Step 3: Cross multiply
    404,338.42x = 606,507.63 × 123,819.22
  4. Step 4: Simplify right side
    404,338.42x = 75,097,301,670.65
  5. Step 5: Solve for x
    x = 75,097,301,670.65/404,338.42
  6. Step 6: Final answer
    x = 185,728.83

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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.