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Finding the Fourth Proportional to 292,348.75, 437,256.29 and 172,119.24

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Solution

The fourth proportional to 292,348.75, 437,256.29 and 172,119.24 is: 257,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,348.75 : 437,256.29 = 172,119.24 : x
  2. Step 2: Convert to fraction form
    292,348.75/437,256.29 = 172,119.24/x
  3. Step 3: Cross multiply
    292,348.75x = 437,256.29 × 172,119.24
  4. Step 4: Simplify right side
    292,348.75x = 75,260,217,273.14
  5. Step 5: Solve for x
    x = 75,260,217,273.14/292,348.75
  6. Step 6: Final answer
    x = 257,433.01

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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.