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Finding the Fourth Proportional to 323,298.58, 446,186.93 and 178,119.20

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Solution

The fourth proportional to 323,298.58, 446,186.93 and 178,119.20 is: 245,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,298.58 : 446,186.93 = 178,119.20 : x
  2. Step 2: Convert to fraction form
    323,298.58/446,186.93 = 178,119.20/x
  3. Step 3: Cross multiply
    323,298.58x = 446,186.93 × 178,119.20
  4. Step 4: Simplify right side
    323,298.58x = 79,474,458,618.23
  5. Step 5: Solve for x
    x = 79,474,458,618.23/323,298.58
  6. Step 6: Final answer
    x = 245,823.72

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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.