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Finding the Fourth Proportional to 319,606.80, 441,082.28 and 183,688.17

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Solution

The fourth proportional to 319,606.80, 441,082.28 and 183,688.17 is: 253,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,606.80 : 441,082.28 = 183,688.17 : x
  2. Step 2: Convert to fraction form
    319,606.80/441,082.28 = 183,688.17/x
  3. Step 3: Cross multiply
    319,606.80x = 441,082.28 × 183,688.17
  4. Step 4: Simplify right side
    319,606.80x = 81,021,593,708.78
  5. Step 5: Solve for x
    x = 81,021,593,708.78/319,606.80
  6. Step 6: Final answer
    x = 253,503.98

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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.