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Finding the Fourth Proportional to 302,588.40, 453,882.60 and 196,300.20

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Solution

The fourth proportional to 302,588.40, 453,882.60 and 196,300.20 is: 294,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,588.40 : 453,882.60 = 196,300.20 : x
  2. Step 2: Convert to fraction form
    302,588.40/453,882.60 = 196,300.20/x
  3. Step 3: Cross multiply
    302,588.40x = 453,882.60 × 196,300.20
  4. Step 4: Simplify right side
    302,588.40x = 89,097,245,156.52
  5. Step 5: Solve for x
    x = 89,097,245,156.52/302,588.40
  6. Step 6: Final answer
    x = 294,450.30

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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.