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Finding the Fourth Proportional to 389,234.08, 583,639.17 and 175,751.83

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Solution

The fourth proportional to 389,234.08, 583,639.17 and 175,751.83 is: 263,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,234.08 : 583,639.17 = 175,751.83 : x
  2. Step 2: Convert to fraction form
    389,234.08/583,639.17 = 175,751.83/x
  3. Step 3: Cross multiply
    389,234.08x = 583,639.17 × 175,751.83
  4. Step 4: Simplify right side
    389,234.08x = 102,575,652,187.18
  5. Step 5: Solve for x
    x = 102,575,652,187.18/389,234.08
  6. Step 6: Final answer
    x = 263,532.04

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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.