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Finding the Fourth Proportional to 348,514.56, 481,221 and 267,814.80

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Solution

The fourth proportional to 348,514.56, 481,221 and 267,814.80 is: 369,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,514.56 : 481,221 = 267,814.80 : x
  2. Step 2: Convert to fraction form
    348,514.56/481,221 = 267,814.80/x
  3. Step 3: Cross multiply
    348,514.56x = 481,221 × 267,814.80
  4. Step 4: Simplify right side
    348,514.56x = 128,878,105,870.80
  5. Step 5: Solve for x
    x = 128,878,105,870.80/348,514.56
  6. Step 6: Final answer
    x = 369,792.60

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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.