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Finding the Fourth Proportional to 323,069.10, 445,832.07 and 177,870.30

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Solution

The fourth proportional to 323,069.10, 445,832.07 and 177,870.30 is: 245,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,069.10 : 445,832.07 = 177,870.30 : x
  2. Step 2: Convert to fraction form
    323,069.10/445,832.07 = 177,870.30/x
  3. Step 3: Cross multiply
    323,069.10x = 445,832.07 × 177,870.30
  4. Step 4: Simplify right side
    323,069.10x = 79,300,284,040.52
  5. Step 5: Solve for x
    x = 79,300,284,040.52/323,069.10
  6. Step 6: Final answer
    x = 245,459.20

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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.