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Finding the Fourth Proportional to 323,533.56, 446,479.56 and 178,344.50

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Solution

The fourth proportional to 323,533.56, 446,479.56 and 178,344.50 is: 246,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,533.56 : 446,479.56 = 178,344.50 : x
  2. Step 2: Convert to fraction form
    323,533.56/446,479.56 = 178,344.50/x
  3. Step 3: Cross multiply
    323,533.56x = 446,479.56 × 178,344.50
  4. Step 4: Simplify right side
    323,533.56x = 79,627,173,888.42
  5. Step 5: Solve for x
    x = 79,627,173,888.42/323,533.56
  6. Step 6: Final answer
    x = 246,117.20

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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.