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Finding the Fourth Proportional to 452,999.68, 679,491.84 and 157,504

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Solution

The fourth proportional to 452,999.68, 679,491.84 and 157,504 is: 236,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,999.68 : 679,491.84 = 157,504 : x
  2. Step 2: Convert to fraction form
    452,999.68/679,491.84 = 157,504/x
  3. Step 3: Cross multiply
    452,999.68x = 679,491.84 × 157,504
  4. Step 4: Simplify right side
    452,999.68x = 107,022,682,767.36
  5. Step 5: Solve for x
    x = 107,022,682,767.36/452,999.68
  6. Step 6: Final answer
    x = 236,253.33

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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.