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Finding the Fourth Proportional to 366,418.20, 548,849.70 and 304,210.20

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Solution

The fourth proportional to 366,418.20, 548,849.70 and 304,210.20 is: 455,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,418.20 : 548,849.70 = 304,210.20 : x
  2. Step 2: Convert to fraction form
    366,418.20/548,849.70 = 304,210.20/x
  3. Step 3: Cross multiply
    366,418.20x = 548,849.70 × 304,210.20
  4. Step 4: Simplify right side
    366,418.20x = 166,965,677,006.94
  5. Step 5: Solve for x
    x = 166,965,677,006.94/366,418.20
  6. Step 6: Final answer
    x = 455,669.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.