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Finding the Fourth Proportional to 662,717.26, 994,075.90 and 164,081.26

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Solution

The fourth proportional to 662,717.26, 994,075.90 and 164,081.26 is: 246,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,717.26 : 994,075.90 = 164,081.26 : x
  2. Step 2: Convert to fraction form
    662,717.26/994,075.90 = 164,081.26/x
  3. Step 3: Cross multiply
    662,717.26x = 994,075.90 × 164,081.26
  4. Step 4: Simplify right side
    662,717.26x = 163,109,226,207.63
  5. Step 5: Solve for x
    x = 163,109,226,207.63/662,717.26
  6. Step 6: Final answer
    x = 246,121.89

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Double scale
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Similar ratio
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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.