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Finding the Fourth Proportional to 329,461.41, 454,652.69 and 178,555.17

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Solution

The fourth proportional to 329,461.41, 454,652.69 and 178,555.17 is: 246,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,461.41 : 454,652.69 = 178,555.17 : x
  2. Step 2: Convert to fraction form
    329,461.41/454,652.69 = 178,555.17/x
  3. Step 3: Cross multiply
    329,461.41x = 454,652.69 × 178,555.17
  4. Step 4: Simplify right side
    329,461.41x = 81,180,587,461.13
  5. Step 5: Solve for x
    x = 81,180,587,461.13/329,461.41
  6. Step 6: Final answer
    x = 246,403.93

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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.