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Finding the Fourth Proportional to 293,333.40, 440,656.20 and 281,377.80

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Solution

The fourth proportional to 293,333.40, 440,656.20 and 281,377.80 is: 422,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,333.40 : 440,656.20 = 281,377.80 : x
  2. Step 2: Convert to fraction form
    293,333.40/440,656.20 = 281,377.80/x
  3. Step 3: Cross multiply
    293,333.40x = 440,656.20 × 281,377.80
  4. Step 4: Simplify right side
    293,333.40x = 123,990,872,112.36
  5. Step 5: Solve for x
    x = 123,990,872,112.36/293,333.40
  6. Step 6: Final answer
    x = 422,696.06

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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.