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Finding the Fourth Proportional to 302,468.40, 453,184.20 and 197,233.20

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Solution

The fourth proportional to 302,468.40, 453,184.20 and 197,233.20 is: 295,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,468.40 : 453,184.20 = 197,233.20 : x
  2. Step 2: Convert to fraction form
    302,468.40/453,184.20 = 197,233.20/x
  3. Step 3: Cross multiply
    302,468.40x = 453,184.20 × 197,233.20
  4. Step 4: Simplify right side
    302,468.40x = 89,382,969,955.44
  5. Step 5: Solve for x
    x = 89,382,969,955.44/302,468.40
  6. Step 6: Final answer
    x = 295,511.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.