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Finding the Fourth Proportional to 444,891.88, 613,668.18 and 291,940.12

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Solution

The fourth proportional to 444,891.88, 613,668.18 and 291,940.12 is: 402,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,891.88 : 613,668.18 = 291,940.12 : x
  2. Step 2: Convert to fraction form
    444,891.88/613,668.18 = 291,940.12/x
  3. Step 3: Cross multiply
    444,891.88x = 613,668.18 × 291,940.12
  4. Step 4: Simplify right side
    444,891.88x = 179,154,362,109.38
  5. Step 5: Solve for x
    x = 179,154,362,109.38/444,891.88
  6. Step 6: Final answer
    x = 402,691.91

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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.