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Finding the Fourth Proportional to 338,141.48, 466,629.54 and 187,235.24

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Solution

The fourth proportional to 338,141.48, 466,629.54 and 187,235.24 is: 258,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,141.48 : 466,629.54 = 187,235.24 : x
  2. Step 2: Convert to fraction form
    338,141.48/466,629.54 = 187,235.24/x
  3. Step 3: Cross multiply
    338,141.48x = 466,629.54 × 187,235.24
  4. Step 4: Simplify right side
    338,141.48x = 87,369,493,912.99
  5. Step 5: Solve for x
    x = 87,369,493,912.99/338,141.48
  6. Step 6: Final answer
    x = 258,381.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.