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Finding the Fourth Proportional to 603,224.70, 904,837.05 and 401,145.90

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Solution

The fourth proportional to 603,224.70, 904,837.05 and 401,145.90 is: 601,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,224.70 : 904,837.05 = 401,145.90 : x
  2. Step 2: Convert to fraction form
    603,224.70/904,837.05 = 401,145.90/x
  3. Step 3: Cross multiply
    603,224.70x = 904,837.05 × 401,145.90
  4. Step 4: Simplify right side
    603,224.70x = 362,971,672,775.60
  5. Step 5: Solve for x
    x = 362,971,672,775.60/603,224.70
  6. Step 6: Final answer
    x = 601,718.85

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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.