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Finding the Fourth Proportional to 294,035.52, 441,076.64 and 91,606.72

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Solution

The fourth proportional to 294,035.52, 441,076.64 and 91,606.72 is: 137,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,035.52 : 441,076.64 = 91,606.72 : x
  2. Step 2: Convert to fraction form
    294,035.52/441,076.64 = 91,606.72/x
  3. Step 3: Cross multiply
    294,035.52x = 441,076.64 × 91,606.72
  4. Step 4: Simplify right side
    294,035.52x = 40,405,584,259.02
  5. Step 5: Solve for x
    x = 40,405,584,259.02/294,035.52
  6. Step 6: Final answer
    x = 137,417.36

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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.