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Finding the Fourth Proportional to 328,466.28, 453,356.04 and 213,544.88

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Solution

The fourth proportional to 328,466.28, 453,356.04 and 213,544.88 is: 294,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,466.28 : 453,356.04 = 213,544.88 : x
  2. Step 2: Convert to fraction form
    328,466.28/453,356.04 = 213,544.88/x
  3. Step 3: Cross multiply
    328,466.28x = 453,356.04 × 213,544.88
  4. Step 4: Simplify right side
    328,466.28x = 96,811,861,159.08
  5. Step 5: Solve for x
    x = 96,811,861,159.08/328,466.28
  6. Step 6: Final answer
    x = 294,739.12

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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.