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Finding the Fourth Proportional to 266,747.80, 374,069 and 266,747.80

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Solution

The fourth proportional to 266,747.80, 374,069 and 266,747.80 is: 374,069

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,747.80 : 374,069 = 266,747.80 : x
  2. Step 2: Convert to fraction form
    266,747.80/374,069 = 266,747.80/x
  3. Step 3: Cross multiply
    266,747.80x = 374,069 × 266,747.80
  4. Step 4: Simplify right side
    266,747.80x = 99,782,082,798.20
  5. Step 5: Solve for x
    x = 99,782,082,798.20/266,747.80
  6. Step 6: Final answer
    x = 374,069

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.