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Finding the Fourth Proportional to 329,436.42, 454,622.19 and 178,533.42

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Solution

The fourth proportional to 329,436.42, 454,622.19 and 178,533.42 is: 246,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,436.42 : 454,622.19 = 178,533.42 : x
  2. Step 2: Convert to fraction form
    329,436.42/454,622.19 = 178,533.42/x
  3. Step 3: Cross multiply
    329,436.42x = 454,622.19 × 178,533.42
  4. Step 4: Simplify right side
    329,436.42x = 81,165,254,388.59
  5. Step 5: Solve for x
    x = 81,165,254,388.59/329,436.42
  6. Step 6: Final answer
    x = 246,376.08

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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.