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Finding the Fourth Proportional to 575,505.92, 863,137.92 and 154,785.44

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Solution

The fourth proportional to 575,505.92, 863,137.92 and 154,785.44 is: 232,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,505.92 : 863,137.92 = 154,785.44 : x
  2. Step 2: Convert to fraction form
    575,505.92/863,137.92 = 154,785.44/x
  3. Step 3: Cross multiply
    575,505.92x = 863,137.92 × 154,785.44
  4. Step 4: Simplify right side
    575,505.92x = 133,601,182,727.89
  5. Step 5: Solve for x
    x = 133,601,182,727.89/575,505.92
  6. Step 6: Final answer
    x = 232,145.63

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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.