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Finding the Fourth Proportional to 431,166.87, 595,010.16 and 237,577.28

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Solution

The fourth proportional to 431,166.87, 595,010.16 and 237,577.28 is: 327,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,166.87 : 595,010.16 = 237,577.28 : x
  2. Step 2: Convert to fraction form
    431,166.87/595,010.16 = 237,577.28/x
  3. Step 3: Cross multiply
    431,166.87x = 595,010.16 × 237,577.28
  4. Step 4: Simplify right side
    431,166.87x = 141,360,892,410.11
  5. Step 5: Solve for x
    x = 141,360,892,410.11/431,166.87
  6. Step 6: Final answer
    x = 327,856.57

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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.