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Finding the Fourth Proportional to 380,651.00, 570,828.87 and 203,061.13

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Solution

The fourth proportional to 380,651.00, 570,828.87 and 203,061.13 is: 304,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,651.00 : 570,828.87 = 203,061.13 : x
  2. Step 2: Convert to fraction form
    380,651.00/570,828.87 = 203,061.13/x
  3. Step 3: Cross multiply
    380,651.00x = 570,828.87 × 203,061.13
  4. Step 4: Simplify right side
    380,651.00x = 115,913,153,951.75
  5. Step 5: Solve for x
    x = 115,913,153,951.75/380,651.00
  6. Step 6: Final answer
    x = 304,512.94

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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.