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Finding the Fourth Proportional to 294,015.90, 440,636.31 and 116,426.02

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Solution

The fourth proportional to 294,015.90, 440,636.31 and 116,426.02 is: 174,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,015.90 : 440,636.31 = 116,426.02 : x
  2. Step 2: Convert to fraction form
    294,015.90/440,636.31 = 116,426.02/x
  3. Step 3: Cross multiply
    294,015.90x = 440,636.31 × 116,426.02
  4. Step 4: Simplify right side
    294,015.90x = 51,301,531,840.79
  5. Step 5: Solve for x
    x = 51,301,531,840.79/294,015.90
  6. Step 6: Final answer
    x = 174,485.57

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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.