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Finding the Fourth Proportional to 325,303.84, 487,974.89 and 125,625.27

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Solution

The fourth proportional to 325,303.84, 487,974.89 and 125,625.27 is: 188,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,303.84 : 487,974.89 = 125,625.27 : x
  2. Step 2: Convert to fraction form
    325,303.84/487,974.89 = 125,625.27/x
  3. Step 3: Cross multiply
    325,303.84x = 487,974.89 × 125,625.27
  4. Step 4: Simplify right side
    325,303.84x = 61,301,975,461.41
  5. Step 5: Solve for x
    x = 61,301,975,461.41/325,303.84
  6. Step 6: Final answer
    x = 188,445.29

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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.