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Finding the Fourth Proportional to 617,469.46, 925,835.10 and 238,075.51

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Solution

The fourth proportional to 617,469.46, 925,835.10 and 238,075.51 is: 356,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,469.46 : 925,835.10 = 238,075.51 : x
  2. Step 2: Convert to fraction form
    617,469.46/925,835.10 = 238,075.51/x
  3. Step 3: Cross multiply
    617,469.46x = 925,835.10 × 238,075.51
  4. Step 4: Simplify right side
    617,469.46x = 220,418,663,608.40
  5. Step 5: Solve for x
    x = 220,418,663,608.40/617,469.46
  6. Step 6: Final answer
    x = 356,970.96

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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.