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Finding the Fourth Proportional to 376,908.74, 520,255.26 and 241,307.90

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Solution

The fourth proportional to 376,908.74, 520,255.26 and 241,307.90 is: 333,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,908.74 : 520,255.26 = 241,307.90 : x
  2. Step 2: Convert to fraction form
    376,908.74/520,255.26 = 241,307.90/x
  3. Step 3: Cross multiply
    376,908.74x = 520,255.26 × 241,307.90
  4. Step 4: Simplify right side
    376,908.74x = 125,541,704,254.55
  5. Step 5: Solve for x
    x = 125,541,704,254.55/376,908.74
  6. Step 6: Final answer
    x = 333,082.50

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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.