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Finding the Fourth Proportional to 302,591.40, 453,887.10 and 196,837.80

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Solution

The fourth proportional to 302,591.40, 453,887.10 and 196,837.80 is: 295,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,591.40 : 453,887.10 = 196,837.80 : x
  2. Step 2: Convert to fraction form
    302,591.40/453,887.10 = 196,837.80/x
  3. Step 3: Cross multiply
    302,591.40x = 453,887.10 × 196,837.80
  4. Step 4: Simplify right side
    302,591.40x = 89,342,138,212.38
  5. Step 5: Solve for x
    x = 89,342,138,212.38/302,591.40
  6. Step 6: Final answer
    x = 295,256.70

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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.