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Finding the Fourth Proportional to 304,039.36, 419,574.88 and 169,903.36

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Solution

The fourth proportional to 304,039.36, 419,574.88 and 169,903.36 is: 234,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,039.36 : 419,574.88 = 169,903.36 : x
  2. Step 2: Convert to fraction form
    304,039.36/419,574.88 = 169,903.36/x
  3. Step 3: Cross multiply
    304,039.36x = 419,574.88 × 169,903.36
  4. Step 4: Simplify right side
    304,039.36x = 71,287,181,883.60
  5. Step 5: Solve for x
    x = 71,287,181,883.60/304,039.36
  6. Step 6: Final answer
    x = 234,466.95

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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.