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Finding the Fourth Proportional to 603,237.80, 904,978.20 and 176,772.80

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Solution

The fourth proportional to 603,237.80, 904,978.20 and 176,772.80 is: 265,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,237.80 : 904,978.20 = 176,772.80 : x
  2. Step 2: Convert to fraction form
    603,237.80/904,978.20 = 176,772.80/x
  3. Step 3: Cross multiply
    603,237.80x = 904,978.20 × 176,772.80
  4. Step 4: Simplify right side
    603,237.80x = 159,975,530,352.96
  5. Step 5: Solve for x
    x = 159,975,530,352.96/603,237.80
  6. Step 6: Final answer
    x = 265,194.80

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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.