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Finding the Fourth Proportional to 652,518.50, 979,134.50 and 253,175.03

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Solution

The fourth proportional to 652,518.50, 979,134.50 and 253,175.03 is: 379,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,518.50 : 979,134.50 = 253,175.03 : x
  2. Step 2: Convert to fraction form
    652,518.50/979,134.50 = 253,175.03/x
  3. Step 3: Cross multiply
    652,518.50x = 979,134.50 × 253,175.03
  4. Step 4: Simplify right side
    652,518.50x = 247,892,400,249.99
  5. Step 5: Solve for x
    x = 247,892,400,249.99/652,518.50
  6. Step 6: Final answer
    x = 379,900.96

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1.5x scale

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.