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Finding the Fourth Proportional to 300,482.57, 414,649.52 and 164,490.21

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Solution

The fourth proportional to 300,482.57, 414,649.52 and 164,490.21 is: 226,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,482.57 : 414,649.52 = 164,490.21 : x
  2. Step 2: Convert to fraction form
    300,482.57/414,649.52 = 164,490.21/x
  3. Step 3: Cross multiply
    300,482.57x = 414,649.52 × 164,490.21
  4. Step 4: Simplify right side
    300,482.57x = 68,205,786,621.20
  5. Step 5: Solve for x
    x = 68,205,786,621.20/300,482.57
  6. Step 6: Final answer
    x = 226,987.50

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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.