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Finding the Fourth Proportional to 366,949.40, 550,424.10 and 117,656.60

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Solution

The fourth proportional to 366,949.40, 550,424.10 and 117,656.60 is: 176,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,949.40 : 550,424.10 = 117,656.60 : x
  2. Step 2: Convert to fraction form
    366,949.40/550,424.10 = 117,656.60/x
  3. Step 3: Cross multiply
    366,949.40x = 550,424.10 × 117,656.60
  4. Step 4: Simplify right side
    366,949.40x = 64,761,028,164.06
  5. Step 5: Solve for x
    x = 64,761,028,164.06/366,949.40
  6. Step 6: Final answer
    x = 176,484.90

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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.