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Finding the Fourth Proportional to 693,835.56, 957,653.10 and 451,696.50

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Solution

The fourth proportional to 693,835.56, 957,653.10 and 451,696.50 is: 623,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,835.56 : 957,653.10 = 451,696.50 : x
  2. Step 2: Convert to fraction form
    693,835.56/957,653.10 = 451,696.50/x
  3. Step 3: Cross multiply
    693,835.56x = 957,653.10 × 451,696.50
  4. Step 4: Simplify right side
    693,835.56x = 432,568,553,484.15
  5. Step 5: Solve for x
    x = 432,568,553,484.15/693,835.56
  6. Step 6: Final answer
    x = 623,445.35

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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.