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Finding the Fourth Proportional to 364,821.05, 543,562.22 and 344,449.14

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Solution

The fourth proportional to 364,821.05, 543,562.22 and 344,449.14 is: 513,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,821.05 : 543,562.22 = 344,449.14 : x
  2. Step 2: Convert to fraction form
    364,821.05/543,562.22 = 344,449.14/x
  3. Step 3: Cross multiply
    364,821.05x = 543,562.22 × 344,449.14
  4. Step 4: Simplify right side
    364,821.05x = 187,229,537,493.25
  5. Step 5: Solve for x
    x = 187,229,537,493.25/364,821.05
  6. Step 6: Final answer
    x = 513,209.26

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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.