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Finding the Fourth Proportional to 652,518.06, 978,615.09 and 179,179.98

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Solution

The fourth proportional to 652,518.06, 978,615.09 and 179,179.98 is: 268,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,518.06 : 978,615.09 = 179,179.98 : x
  2. Step 2: Convert to fraction form
    652,518.06/978,615.09 = 179,179.98/x
  3. Step 3: Cross multiply
    652,518.06x = 978,615.09 × 179,179.98
  4. Step 4: Simplify right side
    652,518.06x = 175,348,232,253.90
  5. Step 5: Solve for x
    x = 175,348,232,253.90/652,518.06
  6. Step 6: Final answer
    x = 268,725.49

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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.