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Finding the Fourth Proportional to 409,995.84, 565,808.31 and 237,900.81

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Solution

The fourth proportional to 409,995.84, 565,808.31 and 237,900.81 is: 328,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,995.84 : 565,808.31 = 237,900.81 : x
  2. Step 2: Convert to fraction form
    409,995.84/565,808.31 = 237,900.81/x
  3. Step 3: Cross multiply
    409,995.84x = 565,808.31 × 237,900.81
  4. Step 4: Simplify right side
    409,995.84x = 134,606,255,253.73
  5. Step 5: Solve for x
    x = 134,606,255,253.73/409,995.84
  6. Step 6: Final answer
    x = 328,311.27

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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.