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Finding the Fourth Proportional to 348,613.16, 481,080.18 and 195,654.92

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Solution

The fourth proportional to 348,613.16, 481,080.18 and 195,654.92 is: 270,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,613.16 : 481,080.18 = 195,654.92 : x
  2. Step 2: Convert to fraction form
    348,613.16/481,080.18 = 195,654.92/x
  3. Step 3: Cross multiply
    348,613.16x = 481,080.18 × 195,654.92
  4. Step 4: Simplify right side
    348,613.16x = 94,125,704,131.49
  5. Step 5: Solve for x
    x = 94,125,704,131.49/348,613.16
  6. Step 6: Final answer
    x = 270,000.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.