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Finding the Fourth Proportional to 323,844.42, 446,905.72 and 178,646.88

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Solution

The fourth proportional to 323,844.42, 446,905.72 and 178,646.88 is: 246,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,844.42 : 446,905.72 = 178,646.88 : x
  2. Step 2: Convert to fraction form
    323,844.42/446,905.72 = 178,646.88/x
  3. Step 3: Cross multiply
    323,844.42x = 446,905.72 × 178,646.88
  4. Step 4: Simplify right side
    323,844.42x = 79,838,312,532.15
  5. Step 5: Solve for x
    x = 79,838,312,532.15/323,844.42
  6. Step 6: Final answer
    x = 246,532.93

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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.