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Finding the Fourth Proportional to 367,820, 548,511.22 and 364,456.82

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Solution

The fourth proportional to 367,820, 548,511.22 and 364,456.82 is: 543,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,820 : 548,511.22 = 364,456.82 : x
  2. Step 2: Convert to fraction form
    367,820/548,511.22 = 364,456.82/x
  3. Step 3: Cross multiply
    367,820x = 548,511.22 × 364,456.82
  4. Step 4: Simplify right side
    367,820x = 199,908,654,975.52
  5. Step 5: Solve for x
    x = 199,908,654,975.52/367,820
  6. Step 6: Final answer
    x = 543,495.88

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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.