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Finding the Fourth Proportional to 228,009.30, 341,029.80 and 192,579.90

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Solution

The fourth proportional to 228,009.30, 341,029.80 and 192,579.90 is: 288,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,009.30 : 341,029.80 = 192,579.90 : x
  2. Step 2: Convert to fraction form
    228,009.30/341,029.80 = 192,579.90/x
  3. Step 3: Cross multiply
    228,009.30x = 341,029.80 × 192,579.90
  4. Step 4: Simplify right side
    228,009.30x = 65,675,484,781.02
  5. Step 5: Solve for x
    x = 65,675,484,781.02/228,009.30
  6. Step 6: Final answer
    x = 288,038.62

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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.