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Finding the Fourth Proportional to 720,796.70, 994,907.04 and 475,960.26

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Solution

The fourth proportional to 720,796.70, 994,907.04 and 475,960.26 is: 656,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,796.70 : 994,907.04 = 475,960.26 : x
  2. Step 2: Convert to fraction form
    720,796.70/994,907.04 = 475,960.26/x
  3. Step 3: Cross multiply
    720,796.70x = 994,907.04 × 475,960.26
  4. Step 4: Simplify right side
    720,796.70x = 473,536,213,434.23
  5. Step 5: Solve for x
    x = 473,536,213,434.23/720,796.70
  6. Step 6: Final answer
    x = 656,962.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.