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Finding the Fourth Proportional to 606,715.80, 910,000.80 and 251,692.80

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Solution

The fourth proportional to 606,715.80, 910,000.80 and 251,692.80 is: 377,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,715.80 : 910,000.80 = 251,692.80 : x
  2. Step 2: Convert to fraction form
    606,715.80/910,000.80 = 251,692.80/x
  3. Step 3: Cross multiply
    606,715.80x = 910,000.80 × 251,692.80
  4. Step 4: Simplify right side
    606,715.80x = 229,040,649,354.24
  5. Step 5: Solve for x
    x = 229,040,649,354.24/606,715.80
  6. Step 6: Final answer
    x = 377,508.96

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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.