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Finding the Fourth Proportional to 228,015.30, 341,038.80 and 192,585.90

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Solution

The fourth proportional to 228,015.30, 341,038.80 and 192,585.90 is: 288,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,015.30 : 341,038.80 = 192,585.90 : x
  2. Step 2: Convert to fraction form
    228,015.30/341,038.80 = 192,585.90/x
  3. Step 3: Cross multiply
    228,015.30x = 341,038.80 × 192,585.90
  4. Step 4: Simplify right side
    228,015.30x = 65,679,264,232.92
  5. Step 5: Solve for x
    x = 65,679,264,232.92/228,015.30
  6. Step 6: Final answer
    x = 288,047.62

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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.