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Finding the Fourth Proportional to 444,377.58, 613,069.83 and 308,343.45

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Solution

The fourth proportional to 444,377.58, 613,069.83 and 308,343.45 is: 425,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,377.58 : 613,069.83 = 308,343.45 : x
  2. Step 2: Convert to fraction form
    444,377.58/613,069.83 = 308,343.45/x
  3. Step 3: Cross multiply
    444,377.58x = 613,069.83 × 308,343.45
  4. Step 4: Simplify right side
    444,377.58x = 189,036,066,473.11
  5. Step 5: Solve for x
    x = 189,036,066,473.11/444,377.58
  6. Step 6: Final answer
    x = 425,395.15

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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.