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Finding the Fourth Proportional to 302,549.40, 453,824.10 and 196,261.20

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Solution

The fourth proportional to 302,549.40, 453,824.10 and 196,261.20 is: 294,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,549.40 : 453,824.10 = 196,261.20 : x
  2. Step 2: Convert to fraction form
    302,549.40/453,824.10 = 196,261.20/x
  3. Step 3: Cross multiply
    302,549.40x = 453,824.10 × 196,261.20
  4. Step 4: Simplify right side
    302,549.40x = 89,068,062,454.92
  5. Step 5: Solve for x
    x = 89,068,062,454.92/302,549.40
  6. Step 6: Final answer
    x = 294,391.80

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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.