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Finding the Fourth Proportional to 518,135.27, 777,230.64 and 163,176.93

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Solution

The fourth proportional to 518,135.27, 777,230.64 and 163,176.93 is: 244,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,135.27 : 777,230.64 = 163,176.93 : x
  2. Step 2: Convert to fraction form
    518,135.27/777,230.64 = 163,176.93/x
  3. Step 3: Cross multiply
    518,135.27x = 777,230.64 × 163,176.93
  4. Step 4: Simplify right side
    518,135.27x = 126,826,109,737.14
  5. Step 5: Solve for x
    x = 126,826,109,737.14/518,135.27
  6. Step 6: Final answer
    x = 244,774.13

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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.