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Finding the Fourth Proportional to 431,392.76, 595,322.58 and 240,401.96

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Solution

The fourth proportional to 431,392.76, 595,322.58 and 240,401.96 is: 331,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,392.76 : 595,322.58 = 240,401.96 : x
  2. Step 2: Convert to fraction form
    431,392.76/595,322.58 = 240,401.96/x
  3. Step 3: Cross multiply
    431,392.76x = 595,322.58 × 240,401.96
  4. Step 4: Simplify right side
    431,392.76x = 143,116,715,064.26
  5. Step 5: Solve for x
    x = 143,116,715,064.26/431,392.76
  6. Step 6: Final answer
    x = 331,755.02

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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.