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Finding the Fourth Proportional to 543,686.33, 750,266.39 and 301,984.41

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Solution

The fourth proportional to 543,686.33, 750,266.39 and 301,984.41 is: 416,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,686.33 : 750,266.39 = 301,984.41 : x
  2. Step 2: Convert to fraction form
    543,686.33/750,266.39 = 301,984.41/x
  3. Step 3: Cross multiply
    543,686.33x = 750,266.39 × 301,984.41
  4. Step 4: Simplify right side
    543,686.33x = 226,568,750,776.53
  5. Step 5: Solve for x
    x = 226,568,750,776.53/543,686.33
  6. Step 6: Final answer
    x = 416,726.96

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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.