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Finding the Fourth Proportional to 294,039.52, 441,082.64 and 91,610.72

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Solution

The fourth proportional to 294,039.52, 441,082.64 and 91,610.72 is: 137,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,039.52 : 441,082.64 = 91,610.72 : x
  2. Step 2: Convert to fraction form
    294,039.52/441,082.64 = 91,610.72/x
  3. Step 3: Cross multiply
    294,039.52x = 441,082.64 × 91,610.72
  4. Step 4: Simplify right side
    294,039.52x = 40,407,898,229.90
  5. Step 5: Solve for x
    x = 40,407,898,229.90/294,039.52
  6. Step 6: Final answer
    x = 137,423.36

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1.5x scale

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.