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Finding the Fourth Proportional to 292,323.38, 437,218.43 and 172,093.86

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Solution

The fourth proportional to 292,323.38, 437,218.43 and 172,093.86 is: 257,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,323.38 : 437,218.43 = 172,093.86 : x
  2. Step 2: Convert to fraction form
    292,323.38/437,218.43 = 172,093.86/x
  3. Step 3: Cross multiply
    292,323.38x = 437,218.43 × 172,093.86
  4. Step 4: Simplify right side
    292,323.38x = 75,242,606,421.37
  5. Step 5: Solve for x
    x = 75,242,606,421.37/292,323.38
  6. Step 6: Final answer
    x = 257,395.11

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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.