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Finding the Fourth Proportional to 603,190.64, 904,817.10 and 153,915.44

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Solution

The fourth proportional to 603,190.64, 904,817.10 and 153,915.44 is: 230,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,190.64 : 904,817.10 = 153,915.44 : x
  2. Step 2: Convert to fraction form
    603,190.64/904,817.10 = 153,915.44/x
  3. Step 3: Cross multiply
    603,190.64x = 904,817.10 × 153,915.44
  4. Step 4: Simplify right side
    603,190.64x = 139,265,322,066.02
  5. Step 5: Solve for x
    x = 139,265,322,066.02/603,190.64
  6. Step 6: Final answer
    x = 230,881.11

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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.