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Finding the Fourth Proportional to 603,065.80, 908,933.44 and 519,830.56

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Solution

The fourth proportional to 603,065.80, 908,933.44 and 519,830.56 is: 783,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,065.80 : 908,933.44 = 519,830.56 : x
  2. Step 2: Convert to fraction form
    603,065.80/908,933.44 = 519,830.56/x
  3. Step 3: Cross multiply
    603,065.80x = 908,933.44 × 519,830.56
  4. Step 4: Simplify right side
    603,065.80x = 472,491,379,117.93
  5. Step 5: Solve for x
    x = 472,491,379,117.93/603,065.80
  6. Step 6: Final answer
    x = 783,482.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.