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Finding the Fourth Proportional to 603,120.60, 904,616.10 and 159,888.60

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Solution

The fourth proportional to 603,120.60, 904,616.10 and 159,888.60 is: 239,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,120.60 : 904,616.10 = 159,888.60 : x
  2. Step 2: Convert to fraction form
    603,120.60/904,616.10 = 159,888.60/x
  3. Step 3: Cross multiply
    603,120.60x = 904,616.10 × 159,888.60
  4. Step 4: Simplify right side
    603,120.60x = 144,637,801,766.46
  5. Step 5: Solve for x
    x = 144,637,801,766.46/603,120.60
  6. Step 6: Final answer
    x = 239,815.72

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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.