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Finding the Fourth Proportional to 304,963.41, 420,850.49 and 168,999.59

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Solution

The fourth proportional to 304,963.41, 420,850.49 and 168,999.59 is: 233,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,963.41 : 420,850.49 = 168,999.59 : x
  2. Step 2: Convert to fraction form
    304,963.41/420,850.49 = 168,999.59/x
  3. Step 3: Cross multiply
    304,963.41x = 420,850.49 × 168,999.59
  4. Step 4: Simplify right side
    304,963.41x = 71,123,559,284.79
  5. Step 5: Solve for x
    x = 71,123,559,284.79/304,963.41
  6. Step 6: Final answer
    x = 233,219.98

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1.5x scale

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.