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Finding the Fourth Proportional to 304,297.02, 455,658.21 and 270,443.34

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Solution

The fourth proportional to 304,297.02, 455,658.21 and 270,443.34 is: 404,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,297.02 : 455,658.21 = 270,443.34 : x
  2. Step 2: Convert to fraction form
    304,297.02/455,658.21 = 270,443.34/x
  3. Step 3: Cross multiply
    304,297.02x = 455,658.21 × 270,443.34
  4. Step 4: Simplify right side
    304,297.02x = 123,229,728,210.82
  5. Step 5: Solve for x
    x = 123,229,728,210.82/304,297.02
  6. Step 6: Final answer
    x = 404,965.28

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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.