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Finding the Fourth Proportional to 328,596.20, 453,462.77 and 177,693.20

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Solution

The fourth proportional to 328,596.20, 453,462.77 and 177,693.20 is: 245,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,596.20 : 453,462.77 = 177,693.20 : x
  2. Step 2: Convert to fraction form
    328,596.20/453,462.77 = 177,693.20/x
  3. Step 3: Cross multiply
    328,596.20x = 453,462.77 × 177,693.20
  4. Step 4: Simplify right side
    328,596.20x = 80,577,247,526.38
  5. Step 5: Solve for x
    x = 80,577,247,526.38/328,596.20
  6. Step 6: Final answer
    x = 245,216.62

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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.