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Finding the Fourth Proportional to 367,821, 548,512.70 and 364,457.84

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Solution

The fourth proportional to 367,821, 548,512.70 and 364,457.84 is: 543,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,821 : 548,512.70 = 364,457.84 : x
  2. Step 2: Convert to fraction form
    367,821/548,512.70 = 364,457.84/x
  3. Step 3: Cross multiply
    367,821x = 548,512.70 × 364,457.84
  4. Step 4: Simplify right side
    367,821x = 199,909,749,289.72
  5. Step 5: Solve for x
    x = 199,909,749,289.72/367,821
  6. Step 6: Final answer
    x = 543,497.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.