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Finding the Fourth Proportional to 238,043.49, 328,494.20 and 133,266.15

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Solution

The fourth proportional to 238,043.49, 328,494.20 and 133,266.15 is: 183,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,043.49 : 328,494.20 = 133,266.15 : x
  2. Step 2: Convert to fraction form
    238,043.49/328,494.20 = 133,266.15/x
  3. Step 3: Cross multiply
    238,043.49x = 328,494.20 × 133,266.15
  4. Step 4: Simplify right side
    238,043.49x = 43,777,156,665.00
  5. Step 5: Solve for x
    x = 43,777,156,665.00/238,043.49
  6. Step 6: Final answer
    x = 183,904.03

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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.