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Finding the Fourth Proportional to 323,617.18, 446,594.67 and 178,428.18

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Solution

The fourth proportional to 323,617.18, 446,594.67 and 178,428.18 is: 246,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,617.18 : 446,594.67 = 178,428.18 : x
  2. Step 2: Convert to fraction form
    323,617.18/446,594.67 = 178,428.18/x
  3. Step 3: Cross multiply
    323,617.18x = 446,594.67 × 178,428.18
  4. Step 4: Simplify right side
    323,617.18x = 79,685,074,165.80
  5. Step 5: Solve for x
    x = 79,685,074,165.80/323,617.18
  6. Step 6: Final answer
    x = 246,232.52

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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.