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Finding the Fourth Proportional to 272,273.40, 408,410.10 and 183,043.80

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Solution

The fourth proportional to 272,273.40, 408,410.10 and 183,043.80 is: 274,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,273.40 : 408,410.10 = 183,043.80 : x
  2. Step 2: Convert to fraction form
    272,273.40/408,410.10 = 183,043.80/x
  3. Step 3: Cross multiply
    272,273.40x = 408,410.10 × 183,043.80
  4. Step 4: Simplify right side
    272,273.40x = 74,756,936,662.38
  5. Step 5: Solve for x
    x = 74,756,936,662.38/272,273.40
  6. Step 6: Final answer
    x = 274,565.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.