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Finding the Fourth Proportional to 436,964.78, 603,197.80 and 293,807.81

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Solution

The fourth proportional to 436,964.78, 603,197.80 and 293,807.81 is: 405,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,964.78 : 603,197.80 = 293,807.81 : x
  2. Step 2: Convert to fraction form
    436,964.78/603,197.80 = 293,807.81/x
  3. Step 3: Cross multiply
    436,964.78x = 603,197.80 × 293,807.81
  4. Step 4: Simplify right side
    436,964.78x = 177,224,225,388.29
  5. Step 5: Solve for x
    x = 177,224,225,388.29/436,964.78
  6. Step 6: Final answer
    x = 405,580.11

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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.