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Finding the Fourth Proportional to 507,855.74, 761,562.12 and 192,091.22

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Solution

The fourth proportional to 507,855.74, 761,562.12 and 192,091.22 is: 288,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,855.74 : 761,562.12 = 192,091.22 : x
  2. Step 2: Convert to fraction form
    507,855.74/761,562.12 = 192,091.22/x
  3. Step 3: Cross multiply
    507,855.74x = 761,562.12 × 192,091.22
  4. Step 4: Simplify right side
    507,855.74x = 146,289,392,928.78
  5. Step 5: Solve for x
    x = 146,289,392,928.78/507,855.74
  6. Step 6: Final answer
    x = 288,053.05

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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.