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Finding the Fourth Proportional to 308,460.24, 425,504.16 and 179,384.58

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Solution

The fourth proportional to 308,460.24, 425,504.16 and 179,384.58 is: 247,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,460.24 : 425,504.16 = 179,384.58 : x
  2. Step 2: Convert to fraction form
    308,460.24/425,504.16 = 179,384.58/x
  3. Step 3: Cross multiply
    308,460.24x = 425,504.16 × 179,384.58
  4. Step 4: Simplify right side
    308,460.24x = 76,328,885,029.85
  5. Step 5: Solve for x
    x = 76,328,885,029.85/308,460.24
  6. Step 6: Final answer
    x = 247,451.29

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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.