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Finding the Fourth Proportional to 496,669.80, 745,485.84 and 469,696.80

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Solution

The fourth proportional to 496,669.80, 745,485.84 and 469,696.80 is: 705,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,669.80 : 745,485.84 = 469,696.80 : x
  2. Step 2: Convert to fraction form
    496,669.80/745,485.84 = 469,696.80/x
  3. Step 3: Cross multiply
    496,669.80x = 745,485.84 × 469,696.80
  4. Step 4: Simplify right side
    496,669.80x = 350,152,313,493.31
  5. Step 5: Solve for x
    x = 350,152,313,493.31/496,669.80
  6. Step 6: Final answer
    x = 705,000.21

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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.