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Finding the Fourth Proportional to 377,957.60, 566,936.40 and 189,000.80

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Solution

The fourth proportional to 377,957.60, 566,936.40 and 189,000.80 is: 283,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,957.60 : 566,936.40 = 189,000.80 : x
  2. Step 2: Convert to fraction form
    377,957.60/566,936.40 = 189,000.80/x
  3. Step 3: Cross multiply
    377,957.60x = 566,936.40 × 189,000.80
  4. Step 4: Simplify right side
    377,957.60x = 107,151,433,149.12
  5. Step 5: Solve for x
    x = 107,151,433,149.12/377,957.60
  6. Step 6: Final answer
    x = 283,501.20

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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.