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Finding the Fourth Proportional to 431,264.52, 595,149.10 and 237,679.30

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Solution

The fourth proportional to 431,264.52, 595,149.10 and 237,679.30 is: 327,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,264.52 : 595,149.10 = 237,679.30 : x
  2. Step 2: Convert to fraction form
    431,264.52/595,149.10 = 237,679.30/x
  3. Step 3: Cross multiply
    431,264.52x = 595,149.10 × 237,679.30
  4. Step 4: Simplify right side
    431,264.52x = 141,454,621,483.63
  5. Step 5: Solve for x
    x = 141,454,621,483.63/431,264.52
  6. Step 6: Final answer
    x = 327,999.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.