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Finding the Fourth Proportional to 404,795.64, 607,087.38 and 120,409.74

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Solution

The fourth proportional to 404,795.64, 607,087.38 and 120,409.74 is: 180,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,795.64 : 607,087.38 = 120,409.74 : x
  2. Step 2: Convert to fraction form
    404,795.64/607,087.38 = 120,409.74/x
  3. Step 3: Cross multiply
    404,795.64x = 607,087.38 × 120,409.74
  4. Step 4: Simplify right side
    404,795.64x = 73,099,233,583.08
  5. Step 5: Solve for x
    x = 73,099,233,583.08/404,795.64
  6. Step 6: Final answer
    x = 180,583.06

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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.