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Finding the Fourth Proportional to 302,463.60, 453,695.40 and 231,604.80

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Solution

The fourth proportional to 302,463.60, 453,695.40 and 231,604.80 is: 347,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,463.60 : 453,695.40 = 231,604.80 : x
  2. Step 2: Convert to fraction form
    302,463.60/453,695.40 = 231,604.80/x
  3. Step 3: Cross multiply
    302,463.60x = 453,695.40 × 231,604.80
  4. Step 4: Simplify right side
    302,463.60x = 105,078,032,377.92
  5. Step 5: Solve for x
    x = 105,078,032,377.92/302,463.60
  6. Step 6: Final answer
    x = 347,407.20

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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.