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Finding the Fourth Proportional to 451,770.75, 623,432.43 and 258,166.17

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Solution

The fourth proportional to 451,770.75, 623,432.43 and 258,166.17 is: 356,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,770.75 : 623,432.43 = 258,166.17 : x
  2. Step 2: Convert to fraction form
    451,770.75/623,432.43 = 258,166.17/x
  3. Step 3: Cross multiply
    451,770.75x = 623,432.43 × 258,166.17
  4. Step 4: Simplify right side
    451,770.75x = 160,949,162,706.89
  5. Step 5: Solve for x
    x = 160,949,162,706.89/451,770.75
  6. Step 6: Final answer
    x = 356,262.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.