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Finding the Fourth Proportional to 329,417.21, 454,596.24 and 178,514.21

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Solution

The fourth proportional to 329,417.21, 454,596.24 and 178,514.21 is: 246,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,417.21 : 454,596.24 = 178,514.21 : x
  2. Step 2: Convert to fraction form
    329,417.21/454,596.24 = 178,514.21/x
  3. Step 3: Cross multiply
    329,417.21x = 454,596.24 × 178,514.21
  4. Step 4: Simplify right side
    329,417.21x = 81,151,888,652.57
  5. Step 5: Solve for x
    x = 81,151,888,652.57/329,417.21
  6. Step 6: Final answer
    x = 246,349.88

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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.