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Finding the Fourth Proportional to 330,457.16, 456,033.66 and 179,554.16

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Solution

The fourth proportional to 330,457.16, 456,033.66 and 179,554.16 is: 247,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,457.16 : 456,033.66 = 179,554.16 : x
  2. Step 2: Convert to fraction form
    330,457.16/456,033.66 = 179,554.16/x
  3. Step 3: Cross multiply
    330,457.16x = 456,033.66 × 179,554.16
  4. Step 4: Simplify right side
    330,457.16x = 81,882,740,753.03
  5. Step 5: Solve for x
    x = 81,882,740,753.03/330,457.16
  6. Step 6: Final answer
    x = 247,786.25

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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.