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Finding the Fourth Proportional to 603,234.54, 904,851 and 153,955.35

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Solution

The fourth proportional to 603,234.54, 904,851 and 153,955.35 is: 230,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,234.54 : 904,851 = 153,955.35 : x
  2. Step 2: Convert to fraction form
    603,234.54/904,851 = 153,955.35/x
  3. Step 3: Cross multiply
    603,234.54x = 904,851 × 153,955.35
  4. Step 4: Simplify right side
    603,234.54x = 139,306,652,402.85
  5. Step 5: Solve for x
    x = 139,306,652,402.85/603,234.54
  6. Step 6: Final answer
    x = 230,932.82

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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.