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Finding the Fourth Proportional to 693,839.70, 957,660.57 and 451,702.62

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Solution

The fourth proportional to 693,839.70, 957,660.57 and 451,702.62 is: 623,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,839.70 : 957,660.57 = 451,702.62 : x
  2. Step 2: Convert to fraction form
    693,839.70/957,660.57 = 451,702.62/x
  3. Step 3: Cross multiply
    693,839.70x = 957,660.57 × 451,702.62
  4. Step 4: Simplify right side
    693,839.70x = 432,577,788,539.69
  5. Step 5: Solve for x
    x = 432,577,788,539.69/693,839.70
  6. Step 6: Final answer
    x = 623,454.94

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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.