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Finding the Fourth Proportional to 323,785.62, 446,829.66 and 178,608.06

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Solution

The fourth proportional to 323,785.62, 446,829.66 and 178,608.06 is: 246,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,785.62 : 446,829.66 = 178,608.06 : x
  2. Step 2: Convert to fraction form
    323,785.62/446,829.66 = 178,608.06/x
  3. Step 3: Cross multiply
    323,785.62x = 446,829.66 × 178,608.06
  4. Step 4: Simplify right side
    323,785.62x = 79,807,378,723.06
  5. Step 5: Solve for x
    x = 79,807,378,723.06/323,785.62
  6. Step 6: Final answer
    x = 246,482.16

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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.