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Finding the Fourth Proportional to 603,191.64, 904,818.60 and 153,916.44

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Solution

The fourth proportional to 603,191.64, 904,818.60 and 153,916.44 is: 230,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,191.64 : 904,818.60 = 153,916.44 : x
  2. Step 2: Convert to fraction form
    603,191.64/904,818.60 = 153,916.44/x
  3. Step 3: Cross multiply
    603,191.64x = 904,818.60 × 153,916.44
  4. Step 4: Simplify right side
    603,191.64x = 139,266,457,757.78
  5. Step 5: Solve for x
    x = 139,266,457,757.78/603,191.64
  6. Step 6: Final answer
    x = 230,882.61

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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.