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Finding the Fourth Proportional to 504,554.64, 756,810 and 125,467.44

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Solution

The fourth proportional to 504,554.64, 756,810 and 125,467.44 is: 188,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,554.64 : 756,810 = 125,467.44 : x
  2. Step 2: Convert to fraction form
    504,554.64/756,810 = 125,467.44/x
  3. Step 3: Cross multiply
    504,554.64x = 756,810 × 125,467.44
  4. Step 4: Simplify right side
    504,554.64x = 94,955,013,266.40
  5. Step 5: Solve for x
    x = 94,955,013,266.40/504,554.64
  6. Step 6: Final answer
    x = 188,195.70

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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.