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Finding the Fourth Proportional to 300,276.94, 414,312.42 and 179,457.34

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Solution

The fourth proportional to 300,276.94, 414,312.42 and 179,457.34 is: 247,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,276.94 : 414,312.42 = 179,457.34 : x
  2. Step 2: Convert to fraction form
    300,276.94/414,312.42 = 179,457.34/x
  3. Step 3: Cross multiply
    300,276.94x = 414,312.42 × 179,457.34
  4. Step 4: Simplify right side
    300,276.94x = 74,351,404,822.16
  5. Step 5: Solve for x
    x = 74,351,404,822.16/300,276.94
  6. Step 6: Final answer
    x = 247,609.44

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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.