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Finding the Fourth Proportional to 377,959.60, 566,939.40 and 189,002.80

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Solution

The fourth proportional to 377,959.60, 566,939.40 and 189,002.80 is: 283,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,959.60 : 566,939.40 = 189,002.80 : x
  2. Step 2: Convert to fraction form
    377,959.60/566,939.40 = 189,002.80/x
  3. Step 3: Cross multiply
    377,959.60x = 566,939.40 × 189,002.80
  4. Step 4: Simplify right side
    377,959.60x = 107,153,134,030.32
  5. Step 5: Solve for x
    x = 107,153,134,030.32/377,959.60
  6. Step 6: Final answer
    x = 283,504.20

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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.