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Finding the Fourth Proportional to 329,313.66, 454,455.27 and 178,411.74

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Solution

The fourth proportional to 329,313.66, 454,455.27 and 178,411.74 is: 246,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,313.66 : 454,455.27 = 178,411.74 : x
  2. Step 2: Convert to fraction form
    329,313.66/454,455.27 = 178,411.74/x
  3. Step 3: Cross multiply
    329,313.66x = 454,455.27 × 178,411.74
  4. Step 4: Simplify right side
    329,313.66x = 81,080,155,472.87
  5. Step 5: Solve for x
    x = 81,080,155,472.87/329,313.66
  6. Step 6: Final answer
    x = 246,209.51

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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.