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Finding the Fourth Proportional to 568,215.41, 784,136.70 and 364,266.11

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Solution

The fourth proportional to 568,215.41, 784,136.70 and 364,266.11 is: 502,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,215.41 : 784,136.70 = 364,266.11 : x
  2. Step 2: Convert to fraction form
    568,215.41/784,136.70 = 364,266.11/x
  3. Step 3: Cross multiply
    568,215.41x = 784,136.70 × 364,266.11
  4. Step 4: Simplify right side
    568,215.41x = 285,634,427,377.58
  5. Step 5: Solve for x
    x = 285,634,427,377.58/568,215.41
  6. Step 6: Final answer
    x = 502,686.88

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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.