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Finding the Fourth Proportional to 376,871.90, 565,307.85 and 350,299.85

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Solution

The fourth proportional to 376,871.90, 565,307.85 and 350,299.85 is: 525,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,871.90 : 565,307.85 = 350,299.85 : x
  2. Step 2: Convert to fraction form
    376,871.90/565,307.85 = 350,299.85/x
  3. Step 3: Cross multiply
    376,871.90x = 565,307.85 × 350,299.85
  4. Step 4: Simplify right side
    376,871.90x = 198,027,255,058.82
  5. Step 5: Solve for x
    x = 198,027,255,058.82/376,871.90
  6. Step 6: Final answer
    x = 525,449.78

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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.