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Finding the Fourth Proportional to 493,227.16, 739,873.55 and 173,340.34

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Solution

The fourth proportional to 493,227.16, 739,873.55 and 173,340.34 is: 260,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,227.16 : 739,873.55 = 173,340.34 : x
  2. Step 2: Convert to fraction form
    493,227.16/739,873.55 = 173,340.34/x
  3. Step 3: Cross multiply
    493,227.16x = 739,873.55 × 173,340.34
  4. Step 4: Simplify right side
    493,227.16x = 128,249,932,714.01
  5. Step 5: Solve for x
    x = 128,249,932,714.01/493,227.16
  6. Step 6: Final answer
    x = 260,022.04

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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.