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Finding the Fourth Proportional to 329,416.32, 454,594.50 and 178,513.32

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Solution

The fourth proportional to 329,416.32, 454,594.50 and 178,513.32 is: 246,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,416.32 : 454,594.50 = 178,513.32 : x
  2. Step 2: Convert to fraction form
    329,416.32/454,594.50 = 178,513.32/x
  3. Step 3: Cross multiply
    329,416.32x = 454,594.50 × 178,513.32
  4. Step 4: Simplify right side
    329,416.32x = 81,151,173,448.74
  5. Step 5: Solve for x
    x = 81,151,173,448.74/329,416.32
  6. Step 6: Final answer
    x = 246,348.37

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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.