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Finding the Fourth Proportional to 292,367.52, 438,249.96 and 112,404.15

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Solution

The fourth proportional to 292,367.52, 438,249.96 and 112,404.15 is: 168,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,367.52 : 438,249.96 = 112,404.15 : x
  2. Step 2: Convert to fraction form
    292,367.52/438,249.96 = 112,404.15/x
  3. Step 3: Cross multiply
    292,367.52x = 438,249.96 × 112,404.15
  4. Step 4: Simplify right side
    292,367.52x = 49,261,114,241.33
  5. Step 5: Solve for x
    x = 49,261,114,241.33/292,367.52
  6. Step 6: Final answer
    x = 168,490.38

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1.5x scale

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.