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Finding the Fourth Proportional to 520,559.62, 780,932.04 and 183,795.80

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Solution

The fourth proportional to 520,559.62, 780,932.04 and 183,795.80 is: 275,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,559.62 : 780,932.04 = 183,795.80 : x
  2. Step 2: Convert to fraction form
    520,559.62/780,932.04 = 183,795.80/x
  3. Step 3: Cross multiply
    520,559.62x = 780,932.04 × 183,795.80
  4. Step 4: Simplify right side
    520,559.62x = 143,532,029,037.43
  5. Step 5: Solve for x
    x = 143,532,029,037.43/520,559.62
  6. Step 6: Final answer
    x = 275,726.40

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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.