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Finding the Fourth Proportional to 543,004.35, 749,336.36 and 301,282.73

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Solution

The fourth proportional to 543,004.35, 749,336.36 and 301,282.73 is: 415,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,004.35 : 749,336.36 = 301,282.73 : x
  2. Step 2: Convert to fraction form
    543,004.35/749,336.36 = 301,282.73/x
  3. Step 3: Cross multiply
    543,004.35x = 749,336.36 × 301,282.73
  4. Step 4: Simplify right side
    543,004.35x = 225,762,104,229.06
  5. Step 5: Solve for x
    x = 225,762,104,229.06/543,004.35
  6. Step 6: Final answer
    x = 415,764.82

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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.