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Finding the Fourth Proportional to 363,646.86, 545,556.15 and 114,328.86

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Solution

The fourth proportional to 363,646.86, 545,556.15 and 114,328.86 is: 171,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,646.86 : 545,556.15 = 114,328.86 : x
  2. Step 2: Convert to fraction form
    363,646.86/545,556.15 = 114,328.86/x
  3. Step 3: Cross multiply
    363,646.86x = 545,556.15 × 114,328.86
  4. Step 4: Simplify right side
    363,646.86x = 62,372,812,695.49
  5. Step 5: Solve for x
    x = 62,372,812,695.49/363,646.86
  6. Step 6: Final answer
    x = 171,520.28

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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.