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Finding the Fourth Proportional to 293,490.83, 440,330.81 and 133,623.96

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Solution

The fourth proportional to 293,490.83, 440,330.81 and 133,623.96 is: 200,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,490.83 : 440,330.81 = 133,623.96 : x
  2. Step 2: Convert to fraction form
    293,490.83/440,330.81 = 133,623.96/x
  3. Step 3: Cross multiply
    293,490.83x = 440,330.81 × 133,623.96
  4. Step 4: Simplify right side
    293,490.83x = 58,838,745,874.09
  5. Step 5: Solve for x
    x = 58,838,745,874.09/293,490.83
  6. Step 6: Final answer
    x = 200,479.00

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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.