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Finding the Fourth Proportional to 492,692.45, 738,546.59 and 424,950.12

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Solution

The fourth proportional to 492,692.45, 738,546.59 and 424,950.12 is: 637,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,692.45 : 738,546.59 = 424,950.12 : x
  2. Step 2: Convert to fraction form
    492,692.45/738,546.59 = 424,950.12/x
  3. Step 3: Cross multiply
    492,692.45x = 738,546.59 × 424,950.12
  4. Step 4: Simplify right side
    492,692.45x = 313,845,463,108.47
  5. Step 5: Solve for x
    x = 313,845,463,108.47/492,692.45
  6. Step 6: Final answer
    x = 637,000.76

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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.