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Finding the Fourth Proportional to 637,996.41, 957,125.84 and 438,410.79

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Solution

The fourth proportional to 637,996.41, 957,125.84 and 438,410.79 is: 657,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,996.41 : 957,125.84 = 438,410.79 : x
  2. Step 2: Convert to fraction form
    637,996.41/957,125.84 = 438,410.79/x
  3. Step 3: Cross multiply
    637,996.41x = 957,125.84 × 438,410.79
  4. Step 4: Simplify right side
    637,996.41x = 419,614,295,643.81
  5. Step 5: Solve for x
    x = 419,614,295,643.81/637,996.41
  6. Step 6: Final answer
    x = 657,706.36

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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.