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Finding the Fourth Proportional to 543,200.04, 749,604.78 and 301,468.44

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Solution

The fourth proportional to 543,200.04, 749,604.78 and 301,468.44 is: 416,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,200.04 : 749,604.78 = 301,468.44 : x
  2. Step 2: Convert to fraction form
    543,200.04/749,604.78 = 301,468.44/x
  3. Step 3: Cross multiply
    543,200.04x = 749,604.78 × 301,468.44
  4. Step 4: Simplify right side
    543,200.04x = 225,982,183,643.14
  5. Step 5: Solve for x
    x = 225,982,183,643.14/543,200.04
  6. Step 6: Final answer
    x = 416,020.19

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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.