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Finding the Fourth Proportional to 289,751.10, 434,626.65 and 183,462.90

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Solution

The fourth proportional to 289,751.10, 434,626.65 and 183,462.90 is: 275,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,751.10 : 434,626.65 = 183,462.90 : x
  2. Step 2: Convert to fraction form
    289,751.10/434,626.65 = 183,462.90/x
  3. Step 3: Cross multiply
    289,751.10x = 434,626.65 × 183,462.90
  4. Step 4: Simplify right side
    289,751.10x = 79,737,865,626.29
  5. Step 5: Solve for x
    x = 79,737,865,626.29/289,751.10
  6. Step 6: Final answer
    x = 275,194.35

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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.