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Finding the Fourth Proportional to 611,369.26, 917,096.03 and 256,025.50

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Solution

The fourth proportional to 611,369.26, 917,096.03 and 256,025.50 is: 384,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,369.26 : 917,096.03 = 256,025.50 : x
  2. Step 2: Convert to fraction form
    611,369.26/917,096.03 = 256,025.50/x
  3. Step 3: Cross multiply
    611,369.26x = 917,096.03 × 256,025.50
  4. Step 4: Simplify right side
    611,369.26x = 234,799,969,628.77
  5. Step 5: Solve for x
    x = 234,799,969,628.77/611,369.26
  6. Step 6: Final answer
    x = 384,055.90

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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.