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Finding the Fourth Proportional to 1,009.14, 1,514.22 and 461.25

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Solution

The fourth proportional to 1,009.14, 1,514.22 and 461.25 is: 692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.14 : 1,514.22 = 461.25 : x
  2. Step 2: Convert to fraction form
    1,009.14/1,514.22 = 461.25/x
  3. Step 3: Cross multiply
    1,009.14x = 1,514.22 × 461.25
  4. Step 4: Simplify right side
    1,009.14x = 698,433.98
  5. Step 5: Solve for x
    x = 698,433.98/1,009.14
  6. Step 6: Final answer
    x = 692.11

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Double scale
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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.