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Finding the Fourth Proportional to 603,312.70, 904,969.05 and 401,233.90

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Solution

The fourth proportional to 603,312.70, 904,969.05 and 401,233.90 is: 601,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,312.70 : 904,969.05 = 401,233.90 : x
  2. Step 2: Convert to fraction form
    603,312.70/904,969.05 = 401,233.90/x
  3. Step 3: Cross multiply
    603,312.70x = 904,969.05 × 401,233.90
  4. Step 4: Simplify right side
    603,312.70x = 363,104,261,310.80
  5. Step 5: Solve for x
    x = 363,104,261,310.80/603,312.70
  6. Step 6: Final answer
    x = 601,850.85

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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.