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Finding the Fourth Proportional to 266,810.88, 400,308.48 and 100,692.48

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Solution

The fourth proportional to 266,810.88, 400,308.48 and 100,692.48 is: 151,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,810.88 : 400,308.48 = 100,692.48 : x
  2. Step 2: Convert to fraction form
    266,810.88/400,308.48 = 100,692.48/x
  3. Step 3: Cross multiply
    266,810.88x = 400,308.48 × 100,692.48
  4. Step 4: Simplify right side
    266,810.88x = 40,308,053,616.23
  5. Step 5: Solve for x
    x = 40,308,053,616.23/266,810.88
  6. Step 6: Final answer
    x = 151,073.50

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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.