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Finding the Fourth Proportional to 329,265.10, 454,384.86 and 186,025.09

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Solution

The fourth proportional to 329,265.10, 454,384.86 and 186,025.09 is: 256,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,265.10 : 454,384.86 = 186,025.09 : x
  2. Step 2: Convert to fraction form
    329,265.10/454,384.86 = 186,025.09/x
  3. Step 3: Cross multiply
    329,265.10x = 454,384.86 × 186,025.09
  4. Step 4: Simplify right side
    329,265.10x = 84,526,984,476.14
  5. Step 5: Solve for x
    x = 84,526,984,476.14/329,265.10
  6. Step 6: Final answer
    x = 256,714.07

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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.