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Finding the Fourth Proportional to 603,305.70, 904,958.55 and 401,226.90

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Solution

The fourth proportional to 603,305.70, 904,958.55 and 401,226.90 is: 601,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,305.70 : 904,958.55 = 401,226.90 : x
  2. Step 2: Convert to fraction form
    603,305.70/904,958.55 = 401,226.90/x
  3. Step 3: Cross multiply
    603,305.70x = 904,958.55 × 401,226.90
  4. Step 4: Simplify right side
    603,305.70x = 363,093,713,645.00
  5. Step 5: Solve for x
    x = 363,093,713,645.00/603,305.70
  6. Step 6: Final answer
    x = 601,840.35

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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.