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Finding the Fourth Proportional to 444,019.34, 613,026.88 and 308,005.70

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Solution

The fourth proportional to 444,019.34, 613,026.88 and 308,005.70 is: 425,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,019.34 : 613,026.88 = 308,005.70 : x
  2. Step 2: Convert to fraction form
    444,019.34/613,026.88 = 308,005.70/x
  3. Step 3: Cross multiply
    444,019.34x = 613,026.88 × 308,005.70
  4. Step 4: Simplify right side
    444,019.34x = 188,815,769,458.07
  5. Step 5: Solve for x
    x = 188,815,769,458.07/444,019.34
  6. Step 6: Final answer
    x = 425,242.22

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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.