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Finding the Fourth Proportional to 329,315.43, 454,457.48 and 178,412.43

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Solution

The fourth proportional to 329,315.43, 454,457.48 and 178,412.43 is: 246,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,315.43 : 454,457.48 = 178,412.43 : x
  2. Step 2: Convert to fraction form
    329,315.43/454,457.48 = 178,412.43/x
  3. Step 3: Cross multiply
    329,315.43x = 454,457.48 × 178,412.43
  4. Step 4: Simplify right side
    329,315.43x = 81,080,862,446.41
  5. Step 5: Solve for x
    x = 81,080,862,446.41/329,315.43
  6. Step 6: Final answer
    x = 246,210.34

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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.