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Finding the Fourth Proportional to 603,193.60, 904,761.60 and 203,795.20

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Solution

The fourth proportional to 603,193.60, 904,761.60 and 203,795.20 is: 305,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,193.60 : 904,761.60 = 203,795.20 : x
  2. Step 2: Convert to fraction form
    603,193.60/904,761.60 = 203,795.20/x
  3. Step 3: Cross multiply
    603,193.60x = 904,761.60 × 203,795.20
  4. Step 4: Simplify right side
    603,193.60x = 184,386,071,224.32
  5. Step 5: Solve for x
    x = 184,386,071,224.32/603,193.60
  6. Step 6: Final answer
    x = 305,683.07

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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.