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Finding the Fourth Proportional to 293,840.10, 440,760.15 and 188,864.10

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Solution

The fourth proportional to 293,840.10, 440,760.15 and 188,864.10 is: 283,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,840.10 : 440,760.15 = 188,864.10 : x
  2. Step 2: Convert to fraction form
    293,840.10/440,760.15 = 188,864.10/x
  3. Step 3: Cross multiply
    293,840.10x = 440,760.15 × 188,864.10
  4. Step 4: Simplify right side
    293,840.10x = 83,243,769,045.62
  5. Step 5: Solve for x
    x = 83,243,769,045.62/293,840.10
  6. Step 6: Final answer
    x = 283,296.15

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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.